diff --git a/.github/workflows/update-flakes.yaml b/.github/workflows/update-flakes.yaml
index 086d219..12522d6 100644
--- a/.github/workflows/update-flakes.yaml
+++ b/.github/workflows/update-flakes.yaml
@@ -9,6 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@V27
-      - uses: DeterminateSystems/update-flake-lock@v22
+      - uses: DeterminateSystems/update-flake-lock@v23
         with:
-          token: ${{ github.token }}
+          # required to trigger GitHub Actions on the created PRs
+          token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}