diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 218a2cd..85a9390 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -8,6 +8,9 @@
 
 name: Java CI with Maven
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: [ "master" ]