diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index a551f50e5dd597ef5840fe75f98c132435230e31..8565e77b59ecf6dc71b9f3839ae6fe0981ea4037 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -6,6 +6,9 @@ on:
     paths: [go.sum]
   workflow_dispatch:
 
+permissions:
+  contents: write
+
 jobs:
   update:
     runs-on: ubuntu-latest
@@ -19,7 +22,7 @@ jobs:
 
       - name: Commit and push changes
         env:
-          GH_TOKEN: ${{ secrets.HOMEBREW_TAP_GITHUB_TOKEN }}
+          GH_TOKEN: ${{ github.token }}
         run: |
           git diff --quiet flake.lock && exit 0
           git config user.name "github-actions[bot]"