diff --git a/.gitea/workflows/build-docker.yml b/.gitea/workflows/build-docker.yml
index bd2732e..c240a89 100644
--- a/.gitea/workflows/build-docker.yml
+++ b/.gitea/workflows/build-docker.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: debian-latest-arm
     steps:
       - name: Install Nix
-        uses: https://github.com/cachix/install-nix-action
+        uses: https://github.com/cachix/install-nix-action@v22
       - name: Check out repository
         uses: https://github.com/RouxAntoine/checkout@v3.5.4
         with: