diff --git a/.github/workflows/codetest.yml b/.github/workflows/codetest.yml
index 0f7c694..ec048cb 100644
--- a/.github/workflows/codetest.yml
+++ b/.github/workflows/codetest.yml
@@ -1,4 +1,6 @@
 name: Lint, test and notify
+permissions:
+  contents: read
 
 on: [push]