diff --git a/.github/workflows/flake.yml b/.github/workflows/flake.yml
index 6b9e8ba..f318274 100644
--- a/.github/workflows/flake.yml
+++ b/.github/workflows/flake.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: Install nix
         id: nix
-        uses: cachix/install-nix-action@7be5dee1421f63d07e71ce6e0a9f8a4b07c2a487 # v31
+        uses: cachix/install-nix-action@a809471b5c7c913aa67bec8f459a11a0decc3fce # v31
 
       - name: Update flake
         id: flake