diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c796e33..91a5716 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,6 +10,10 @@ defaults:
   run:
     shell: bash
 
+permissions:
+  contents: read
+  packages: write
+
 jobs:
 
   make-docker-images: