diff --git a/default.nix b/default.nix
index 7ef803d..25adb0a 100644
--- a/default.nix
+++ b/default.nix
@@ -1,6 +1,10 @@
 let
-  # Import sources
-  sources = import ./nix/sources.nix;
+  pinnedPkgs = import ./pinned-pkgs.nix;
 
-# And return that specific nixpkgs
-in sources.nixpkgs
+  overlays = [];
+  config = {};
+
+  pkgs = pinnedPkgs {
+    inherit overlays;
+  };
+in pkgs
diff --git a/pinned-pkgs.nix b/pinned-pkgs.nix
new file mode 100644
index 0000000..4ccc1ca
--- /dev/null
+++ b/pinned-pkgs.nix
@@ -0,0 +1 @@
+import (import ./nix/sources.nix).nixpkgs