diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index de6ccd1..b68e41c 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -1,4 +1,6 @@
 name: Docker Image CI
+permissions:
+  contents: read
 
 on:
   push: