diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index 55873b5..101add2 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -35,7 +35,7 @@ jobs:
         with:
           ref: ${{ inputs.ref }}
       - name: Install Nix
-        uses: cachix/install-nix-action@V28
+        uses: cachix/install-nix-action@v29
         with:
           github_access_token: '${{ secrets.GITHUB_TOKEN }}'
       - name: Enable Cachix