diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 228e4eac..19121a6f 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -13,6 +13,9 @@ on:
       - main
       - postgres
 
+permissions:
+  contents: read
+
 jobs:
   build: