diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index c3487ce..8fd7f5a 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -13,6 +13,6 @@ jobs:
       - name: Install Nix
         uses: cachix/install-nix-action@v18
       - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v14
+        uses: DeterminateSystems/update-flake-lock@v15
         with:
           token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}