diff --git a/.github/workflows/flake.yml b/.github/workflows/flake.yml
index 3642546..5f07d8a 100644
--- a/.github/workflows/flake.yml
+++ b/.github/workflows/flake.yml
@@ -19,7 +19,7 @@ jobs:
           repository: ${{ matrix.repo }}
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v26
+        uses: cachix/install-nix-action@V27
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}