diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 12be93e29..52e1badf2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,5 +14,9 @@ jobs:
     - uses: cachix/install-nix-action@v10
       with:
         nix_path: nixpkgs=channel:nixos-unstable
+    - uses: cachix/cachix-action@v6
+      with:
+        name: nix-community
+        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
     - run: nix-shell . -A install
     - run: nix-shell --pure --max-jobs 4 tests -A run.all