diff --git a/.github/workflows/image-minimizer.yml b/.github/workflows/image-minimizer.yml
index 56c6eb37..3a7aaf6d 100644
--- a/.github/workflows/image-minimizer.yml
+++ b/.github/workflows/image-minimizer.yml
@@ -15,6 +15,8 @@ permissions:
 jobs:
   try-minimize:
     runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
 
     steps:
       - uses: actions/checkout@v3