diff --git a/README.md b/README.md
index b93dd9e..eb7c07d 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ nix flake init --template github:the-nix-way/dev-templates#rust
 nix flake new --template github:the-nix-way/dev-templates#rust ${NEW_PROJECT_DIRECTORY}
 ```
 
+> **Note**: All templates are pinned to the [22.11 release][release] of Nixpkgs.
+
 ## How to use the templates
 
 Once your preferred template has been initialized, you can use the provided shell in two ways:
@@ -27,25 +29,25 @@ Once your preferred template has been initialized, you can use the provided shel
 
 ## Available templates
 
-| Language/framework/tool  | Template                      |       
-| :----------------------- | :-----------------------------|       
-| [Clojure]                | [`clojure`](./clojure/)       |       
-| [Cue]                    | [`cue`](./cue/)               |       
-| [Dhall]                  | [`dhall`](./dhall/)           |       
-| [Elixir]                 | [`elixir`](./elixir/)         |       
-| [Elm]                    | [`elm`](./elm/)               |       
-| [Gleam]                  | [`gleam`](./gleam/)           |       
-| [Go]                     | [`go`](./go/)                 |       
-| [Hashicorp] tools        | [`hashi`](./hashi/)           |       
-| [Java]                   | [`java`](./java/)             |       
-| [Kotlin]                 | [`kotlin`](./kotlin/)         |       
-| [Nickel]                 | [`nickel`](./nickel/)         |       
-| [Nim]                    | [`nim`](./nim/)               |       
-| [Nix]                    | [`nix`](./nix/)               |       
-| [Node.js][node]          | [`node`](./node/)             |       
-| [OCaml]                  | [`ocaml`](./ocaml/)           |       
-| [Open Policy Agent][opa] | [`opa`](./opa)                |       
-| [PHP]                    | [`php`](./php/)               |       
+| Language/framework/tool  | Template                      |
+| :----------------------- | :-----------------------------|
+| [Clojure]                | [`clojure`](./clojure/)       |
+| [Cue]                    | [`cue`](./cue/)               |
+| [Dhall]                  | [`dhall`](./dhall/)           |
+| [Elixir]                 | [`elixir`](./elixir/)         |
+| [Elm]                    | [`elm`](./elm/)               |
+| [Gleam]                  | [`gleam`](./gleam/)           |
+| [Go]                     | [`go`](./go/)                 |
+| [Hashicorp] tools        | [`hashi`](./hashi/)           |
+| [Java]                   | [`java`](./java/)             |
+| [Kotlin]                 | [`kotlin`](./kotlin/)         |
+| [Nickel]                 | [`nickel`](./nickel/)         |
+| [Nim]                    | [`nim`](./nim/)               |
+| [Nix]                    | [`nix`](./nix/)               |
+| [Node.js][node]          | [`node`](./node/)             |
+| [OCaml]                  | [`ocaml`](./ocaml/)           |
+| [Open Policy Agent][opa] | [`opa`](./opa)                |
+| [PHP]                    | [`php`](./php/)               |
 | [Protobuf]               | [`protobuf`](./protobuf/)     |
 | [Purescript]             | [`purescript`](./purescript/) |
 | [Ruby]                   | [`ruby`](./ruby/)             |
@@ -306,13 +308,14 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [purescript-language-server]: https://github.com/nwolverson/purescript-language-server
 [purs-tidy]: https://github.com/natefaubion/purescript-tidy
 [python]: https://python.org
+[release]: https://github.com/NixOS/nixpkgs/releases/tag/22.11
 [ruby]: https://ruby-lang.org
 [rust]: https://rust-lang.org
 [rust-analyzer]: https://rust-analyzer.github.io
 [scala]: https://scala-lang.org
 [statix]: https://github.com/nerdypepper/statix
 [sbt]: https://www.scala-sbt.org
-[Spago]: https://github.com/purescript/spago
+[spago]: https://github.com/purescript/spago
 [terraform]: https://terraform.io
 [terragrunt]: https://terragrunt.gruntwork.io
 [tflint]: https://github.com/terraform-linters/tflint
diff --git a/clojure/flake.lock b/clojure/flake.lock
index de8063b..b6ad226 100644
--- a/clojure/flake.lock
+++ b/clojure/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/clojure/flake.nix b/clojure/flake.nix
index 56e34fb..822bdda 100644
--- a/clojure/flake.nix
+++ b/clojure/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Clojure development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/cue/flake.lock b/cue/flake.lock
index 8300f77..5e1784f 100644
--- a/cue/flake.lock
+++ b/cue/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1667152175,
-        "narHash": "sha256-ziWAQ+ny5vXP/HKg7Kpon1mB/jZJfLBujb2fnebNXT0=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a8a8a9e2e74ee76495f56366492c2ab222b8dd2f",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/cue/flake.nix b/cue/flake.nix
index 9737cd6..edfe827 100644
--- a/cue/flake.nix
+++ b/cue/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Cue development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/dhall/flake.lock b/dhall/flake.lock
index de8063b..b6ad226 100644
--- a/dhall/flake.lock
+++ b/dhall/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/dhall/flake.nix b/dhall/flake.nix
index 3c066ae..11ad6f3 100644
--- a/dhall/flake.nix
+++ b/dhall/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Dhall development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/elixir/flake.lock b/elixir/flake.lock
index de8063b..b6ad226 100644
--- a/elixir/flake.lock
+++ b/elixir/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/elixir/flake.nix b/elixir/flake.nix
index 02cfcf7..f4aa3ef 100644
--- a/elixir/flake.nix
+++ b/elixir/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Elixir development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/elm/flake.lock b/elm/flake.lock
index de8063b..b6ad226 100644
--- a/elm/flake.lock
+++ b/elm/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/elm/flake.nix b/elm/flake.nix
index 3f01d23..03df900 100644
--- a/elm/flake.nix
+++ b/elm/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Elm development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/flake.lock b/flake.lock
index de60b4a..6b8ee23 100644
--- a/flake.lock
+++ b/flake.lock
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676209454,
-        "narHash": "sha256-alj9mBkV9U6tTPDK026671D2pesLSYZZc9j5dBZJ9f0=",
+        "lastModified": 1677995890,
+        "narHash": "sha256-eOnCn0o3I6LP48fAi8xWFcn49V2rL7oX5jCtJTeN1LI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8c619a1f3cedd16ea172146e30645e703d21bfc1",
+        "rev": "a1240f6b4a0bcc84fc48008b396a140d9f3638f6",
         "type": "github"
       },
       "original": {
diff --git a/gleam/flake.lock b/gleam/flake.lock
index de8063b..b6ad226 100644
--- a/gleam/flake.lock
+++ b/gleam/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/gleam/flake.nix b/gleam/flake.nix
index ba762ce..782e5c9 100644
--- a/gleam/flake.nix
+++ b/gleam/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Gleam development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/go/flake.lock b/go/flake.lock
index de8063b..b6ad226 100644
--- a/go/flake.lock
+++ b/go/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/go/flake.nix b/go/flake.nix
index d73b81b..c67c1c9 100644
--- a/go/flake.nix
+++ b/go/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Go 1.17 development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/hashi/flake.lock b/hashi/flake.lock
index de8063b..b6ad226 100644
--- a/hashi/flake.lock
+++ b/hashi/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/hashi/flake.nix b/hashi/flake.nix
index 7cf1b95..ede3835 100644
--- a/hashi/flake.nix
+++ b/hashi/flake.nix
@@ -3,14 +3,14 @@
     "A Nix-flake-based development environment for Terraform, Packer, and Nomad";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/haskell/flake.lock b/haskell/flake.lock
index de8063b..b6ad226 100644
--- a/haskell/flake.lock
+++ b/haskell/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/haskell/flake.nix b/haskell/flake.nix
index 1bdabac..6d8e76f 100644
--- a/haskell/flake.nix
+++ b/haskell/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Haskell development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/java/flake.lock b/java/flake.lock
index de8063b..b6ad226 100644
--- a/java/flake.lock
+++ b/java/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/java/flake.nix b/java/flake.nix
index 498ea44..bd7b863 100644
--- a/java/flake.nix
+++ b/java/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Java development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/kotlin/flake.lock b/kotlin/flake.lock
index de8063b..b6ad226 100644
--- a/kotlin/flake.lock
+++ b/kotlin/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/kotlin/flake.nix b/kotlin/flake.nix
index 8fb391b..4e9014a 100644
--- a/kotlin/flake.nix
+++ b/kotlin/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Kotlin development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/nickel/flake.lock b/nickel/flake.lock
index de8063b..b6ad226 100644
--- a/nickel/flake.lock
+++ b/nickel/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/nickel/flake.nix b/nickel/flake.nix
index 806f0b8..5149eef 100644
--- a/nickel/flake.nix
+++ b/nickel/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Protobuf development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/nim/flake.lock b/nim/flake.lock
index de8063b..b6ad226 100644
--- a/nim/flake.lock
+++ b/nim/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/nim/flake.nix b/nim/flake.nix
index eeae7e6..4277d5d 100644
--- a/nim/flake.nix
+++ b/nim/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Nim development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/nix/flake.lock b/nix/flake.lock
index de8063b..b6ad226 100644
--- a/nix/flake.lock
+++ b/nix/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/nix/flake.nix b/nix/flake.nix
index b3ea51e..aa04f34 100644
--- a/nix/flake.nix
+++ b/nix/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Nix development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/node/flake.lock b/node/flake.lock
index de8063b..b6ad226 100644
--- a/node/flake.lock
+++ b/node/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/node/flake.nix b/node/flake.nix
index 28c0561..34fca72 100644
--- a/node/flake.nix
+++ b/node/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Node.js development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/ocaml/flake.lock b/ocaml/flake.lock
index de8063b..b6ad226 100644
--- a/ocaml/flake.lock
+++ b/ocaml/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/ocaml/flake.nix b/ocaml/flake.nix
index 0f94633..1a50eb1 100644
--- a/ocaml/flake.nix
+++ b/ocaml/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based OCaml development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/opa/flake.lock b/opa/flake.lock
index de8063b..b6ad226 100644
--- a/opa/flake.lock
+++ b/opa/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/opa/flake.nix b/opa/flake.nix
index 75fd2cc..c1a0503 100644
--- a/opa/flake.nix
+++ b/opa/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Open Policy Agent development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/php/flake.lock b/php/flake.lock
index de8063b..b6ad226 100644
--- a/php/flake.lock
+++ b/php/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/php/flake.nix b/php/flake.nix
index 77b976a..59d063d 100644
--- a/php/flake.nix
+++ b/php/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based PHP development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system:
diff --git a/protobuf/flake.lock b/protobuf/flake.lock
index de8063b..b6ad226 100644
--- a/protobuf/flake.lock
+++ b/protobuf/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/protobuf/flake.nix b/protobuf/flake.nix
index ce5a132..1da1ba8 100644
--- a/protobuf/flake.nix
+++ b/protobuf/flake.nix
@@ -2,15 +2,16 @@
   description = "A Nix-flake-based Protobuf development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
+
     flake-utils.lib.eachDefaultSystem (system:
     let
       pkgs = import nixpkgs { inherit system; };
diff --git a/purescript/flake.lock b/purescript/flake.lock
index a2f75d2..6f42f5e 100644
--- a/purescript/flake.lock
+++ b/purescript/flake.lock
@@ -33,15 +33,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/purescript/flake.nix b/purescript/flake.nix
index 064e8e5..63d6f54 100644
--- a/purescript/flake.nix
+++ b/purescript/flake.nix
@@ -2,38 +2,40 @@
   description = "A Nix-flake-based Purescript development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
     easy-purescript-nix = {
       url = "github:justinwoo/easy-purescript-nix";
       flake = false;
     };
   };
+
   outputs =
     { self
     , nixpkgs
     , flake-utils
     , easy-purescript-nix
     }:
+
     flake-utils.lib.eachDefaultSystem (system:
     let
-      pkgs = nixpkgs.legacyPackages.${system};
+      pkgs = import nixpkgs { inherit system; };
       easy-ps = import easy-purescript-nix { inherit pkgs; };
     in
     {
       devShells.default = pkgs.mkShell {
-        packages = [
-          easy-ps.purs
-          easy-ps.spago
-          easy-ps.purescript-language-server
-          easy-ps.purs-tidy
-          pkgs.nodejs
-        ];
-        shellHook = ''
-          echo "Purs `${easy-ps.purs}/bin/purs --version`"
-          echo "Spago `${easy-ps.spago}/bin/spago --version`"
-          echo "Purescript Language Server `${easy-ps.purescript-language-server}/bin/purescript-language-server --version`"
-          echo "Purs Tidy `${easy-ps.purs-tidy}/bin/purs-tidy --version`"
+        packages = (with pkgs; [ nodejs ]) ++ (with easy-ps; [
+          purs
+          spago
+          purescript-language-server
+          purs-tidy
+        ]);
+
+        shellHook = with easy-ps; ''
+          echo "Purs `${purs}/bin/purs --version`"
+          echo "Spago `${spago}/bin/spago --version`"
+          echo "Purescript Language Server `${purescript-language-server}/bin/purescript-language-server --version`"
+          echo "Purs Tidy `${purs-tidy}/bin/purs-tidy --version`"
           echo "Node.js `${pkgs.nodejs}/bin/node --version`"
         '';
       };
diff --git a/python/flake.lock b/python/flake.lock
index 825aa83..22fe482 100644
--- a/python/flake.lock
+++ b/python/flake.lock
@@ -67,15 +67,16 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/python/flake.nix b/python/flake.nix
index 8905993..977e816 100644
--- a/python/flake.nix
+++ b/python/flake.nix
@@ -2,17 +2,18 @@
   description = "A Nix-flake-based Python development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
     mach-nix.url = "github:/DavHau/mach-nix";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
+    , nixpkgs
     , flake-utils
     , mach-nix
-    , nixpkgs
     }:
+
     flake-utils.lib.eachDefaultSystem (system:
     let
       overlays = [
diff --git a/ruby/flake.lock b/ruby/flake.lock
index 8300f77..5e1784f 100644
--- a/ruby/flake.lock
+++ b/ruby/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1667152175,
-        "narHash": "sha256-ziWAQ+ny5vXP/HKg7Kpon1mB/jZJfLBujb2fnebNXT0=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a8a8a9e2e74ee76495f56366492c2ab222b8dd2f",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/ruby/flake.nix b/ruby/flake.nix
index dacc0d0..abc3be8 100644
--- a/ruby/flake.nix
+++ b/ruby/flake.nix
@@ -2,15 +2,16 @@
   description = "A Nix-flake-based Ruby development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
+
     flake-utils.lib.eachDefaultSystem (system:
     let
       overlays = [
diff --git a/rust-toolchain/flake.lock b/rust-toolchain/flake.lock
index c58f5e7..d0ee63f 100644
--- a/rust-toolchain/flake.lock
+++ b/rust-toolchain/flake.lock
@@ -32,15 +32,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1678101631,
+        "narHash": "sha256-vuuvWBNGhNSPPbFCjp2XZmBqJOvsFF1T0hyleRnHZlc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "934e613c31cf7af0624dcf088b9e2d9b802d0717",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/rust-toolchain/flake.nix b/rust-toolchain/flake.nix
index 6843616..a876c0e 100644
--- a/rust-toolchain/flake.nix
+++ b/rust-toolchain/flake.nix
@@ -2,15 +2,15 @@
   description = "A Nix-flake-based Rust development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
     rust-overlay.url = "github:oxalica/rust-overlay";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     , rust-overlay
     }:
 
diff --git a/rust/flake.lock b/rust/flake.lock
index c58f5e7..2578f0c 100644
--- a/rust/flake.lock
+++ b/rust/flake.lock
@@ -32,15 +32,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1677655039,
+        "narHash": "sha256-IsU0SSBUOr/qYTkiwIgXQ91Io/2bfXI7PG4MoJritLA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "96a40fa5e8dee644ba60c8a966adadd2d448104a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/rust/flake.nix b/rust/flake.nix
index a821f2b..bbc2371 100644
--- a/rust/flake.nix
+++ b/rust/flake.nix
@@ -2,15 +2,15 @@
   description = "A Nix-flake-based Rust development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
     rust-overlay.url = "github:oxalica/rust-overlay";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     , rust-overlay
     }:
 
diff --git a/scala/flake.lock b/scala/flake.lock
index de8063b..f26e416 100644
--- a/scala/flake.lock
+++ b/scala/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1678101631,
+        "narHash": "sha256-vuuvWBNGhNSPPbFCjp2XZmBqJOvsFF1T0hyleRnHZlc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "934e613c31cf7af0624dcf088b9e2d9b802d0717",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/scala/flake.nix b/scala/flake.nix
index 6f9c974..5bc4b0f 100644
--- a/scala/flake.nix
+++ b/scala/flake.nix
@@ -2,17 +2,17 @@
   description = "A Nix-flake-based Scala development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
-    flake-utils.lib.eachDefaultSystem (system:
 
+    flake-utils.lib.eachDefaultSystem (system:
     let
       javaVersion = 17;
 
diff --git a/zig/flake.lock b/zig/flake.lock
index de8063b..f26e416 100644
--- a/zig/flake.lock
+++ b/zig/flake.lock
@@ -17,15 +17,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676419747,
-        "narHash": "sha256-VKaecpmFjq3qsG4b7t7UOu2tSTTJKbGHR5f0ICLQT6M=",
+        "lastModified": 1678101631,
+        "narHash": "sha256-vuuvWBNGhNSPPbFCjp2XZmBqJOvsFF1T0hyleRnHZlc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9fbcf04164c77ac8a473f984e666d81beef224d",
+        "rev": "934e613c31cf7af0624dcf088b9e2d9b802d0717",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "release-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/zig/flake.nix b/zig/flake.nix
index 771ac33..f4b3e0b 100644
--- a/zig/flake.nix
+++ b/zig/flake.nix
@@ -2,14 +2,14 @@
   description = "A Nix-flake-based Zig development environment";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-22.11";
     flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs";
   };
 
   outputs =
     { self
-    , flake-utils
     , nixpkgs
+    , flake-utils
     }:
 
     flake-utils.lib.eachDefaultSystem (system: