diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index eadcf2d..bc32f49 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,23 +16,25 @@ repos:
       - id: statix
         name: statix
         entry: statix check .
+        always_run: false
         pass_filenames: false
+        files: '\.*.nix$'
         language: system
       - id: nixpkgs-fmt
-        require_serial: false
         name: nixpkgs-fmt
         entry: ./check-fmt
+        always_run: false
         pass_filenames: false
+        files: '\.*.nix$'
         language: system
       - id: flake-check
-        require_serial: false
         name: nix flake check
         entry: nix flake check --impure
+        always_run: false
         pass_filenames: false
-        files: "flake.nix"
+        files: "flake.(nix|lock)$"
         language: system
       - id: addlicense
-        require_serial: false
         name: addlicence -check
         entry: >
           go run github.com/google/addlicense@v1.0.0 -check -v
@@ -63,4 +65,7 @@ repos:
         name: nix build
         entry: nix build .#go-xkcdreader
         pass_filenames: false
+        # trigger this hook on changes to any of nix (also flake.lock) files
+        # and go's src, mod or sum files
+        files: '\.*.(nix|lock|go|mod|sum)$'
         language: system