diff --git a/.github/workflows/update-flake.yaml b/.github/workflows/update-flake.yaml
index 548bc491..fe2f10c6 100644
--- a/.github/workflows/update-flake.yaml
+++ b/.github/workflows/update-flake.yaml
@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v4
 
       - 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 }}