diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index 48e0f54..fb14aac 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -6,6 +6,9 @@ on:
     branches: [master, coverity]
 
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-20.04