diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0e654f1..ca08cb8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,9 @@ on:
     paths-ignore:
       - 'action-surefire-report/**'
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest