diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 7de3c9d..c0891a5 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - uses: https://git.johnogle.info/johno/gitea-actions/nix-setup@main
+      - uses: https://git.johnogle.info/johno/gitea-actions/nix-setup@v1
 
       - name: Check flake
         run: nix flake check