diff --git a/.github/actions/setup-nix/action.yaml b/.github/actions/setup-nix/action.yaml
index 706bc0a92c..c4051cf798 100644
--- a/.github/actions/setup-nix/action.yaml
+++ b/.github/actions/setup-nix/action.yaml
@@ -20,7 +20,7 @@ runs:
     - name: Restore and cache Nix store
       uses: nix-community/cache-nix-action@v4.0.3
       with:
-        key: cache-nix-${{ runner.os }}-id-${{ inputs.cache-id }}-${{ hashFiles('nix/**/*.nix') }}
+        key: cache-nix-${{ runner.os }}-id-${{ inputs.cache-id }}-${{ hashFiles('nix/**/*.nix', '.github/actions/setup-nix/*') }}
         restore-keys: |
           cache-nix-${{ runner.os }}-id-
     - uses: cachix/cachix-action@v12