ci: allow pushing images
diff --git a/.github/workflows/images.yml b/.github/workflows/images.yml
index d1ab65d..65f1461 100644
--- a/.github/workflows/images.yml
+++ b/.github/workflows/images.yml
@@ -6,6 +6,10 @@
     branches:
       - main
 
+permissions:
+  packages: write
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest