diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index 17ef9e6..3412134 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -1,5 +1,8 @@
 name: Code quality
 
+permissions:
+  contents: read
+
 on:
   push:
   pull_request: