diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 409c3a0..7fede42 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -2,6 +2,8 @@
 # For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
 
 name: Java CI with Maven
+permissions:
+  contents: read
 
 on:
   pull_request: