diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 06288a3..db9e05a 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -17,7 +17,7 @@ jobs:
             experimental-features = nix-command flakes
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v26
+        uses: DeterminateSystems/update-flake-lock@v27
         with:
           token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}
           commit-msg: "deps: update flake.lock"