diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 56f7930..75d0605 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -6,10 +6,10 @@ on:
 jobs:
   update:
     runs-on: ubuntu-latest
-    permissions:
-      contents: write
     steps:
       - uses: actions/checkout@v5
+        with:
+          token: ${{ secrets.PAT }}
       - uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: experimental-features = nix-command flakes pipe-operators