diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2d12100..db4f9c4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,7 +30,7 @@ jobs:
         id: pages
         uses: actions/configure-pages@v4
       - name: Setup Nix
-        uses: DeterminateSystems/nix-installer-action@main
+        uses: DeterminateSystems/nix-installer-action@v12
       - name: Build with Hugo
         run: |
           nix develop --command bash -c "hugo \