diff --git a/.github/workflows/test_suites.yml b/.github/workflows/test_suites.yml
index 44cfb03cf..be1e354fc 100644
--- a/.github/workflows/test_suites.yml
+++ b/.github/workflows/test_suites.yml
@@ -1,4 +1,6 @@
 name: Test Suites
+permissions:
+  contents: read
 
 on:
   push: