diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index da877d0..0932927 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -16,6 +16,6 @@ jobs:
         #   extra_nix_config: |
         #     access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v12
+        uses: DeterminateSystems/update-flake-lock@v13
         with:
           token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}