diff --git a/.github/workflows/flake-updates.yml b/.github/workflows/flake-updates.yml
index 53c6898..5a77c06 100644
--- a/.github/workflows/flake-updates.yml
+++ b/.github/workflows/flake-updates.yml
@@ -16,4 +16,4 @@ jobs:
             experimental-features = nix-command flakes
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v14
+        uses: DeterminateSystems/update-flake-lock@v15