diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index d5ab63293a..880c5d8e15 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -5,6 +5,10 @@ on:
   schedule:
     - cron: '0 0 * * 0' # Weekly on Sunday at midnight UTC
 
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   update-flake-lock:
     runs-on: ubuntu-latest