diff --git a/.forgejo/workflows/update-flake-hashes.yml b/.forgejo/workflows/update-flake-hashes.yml
index 01673e1e..2e57e7c0 100644
--- a/.forgejo/workflows/update-flake-hashes.yml
+++ b/.forgejo/workflows/update-flake-hashes.yml
@@ -20,7 +20,7 @@ jobs:
           submodules: false
           persist-credentials: false
 
-      - uses: cachix/install-nix-action@56a7bb7b56d9a92d4fd1bc05758de7eea4a370a8 # v31.1.6
+      - uses: https://github.com/cachix/install-nix-action@56a7bb7b56d9a92d4fd1bc05758de7eea4a370a8 # v31.1.6
         with:
           nix_path: nixpkgs=channel:nixos-unstable