diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index 914c505c..1b9a8c06 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4.0.0
       - name: Install Nix
-        uses: cachix/install-nix-action@v23
+        uses: cachix/install-nix-action@v25
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}