diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 58974ad7db..f5edfc7ed4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,6 +7,9 @@ on:
   merge_group:
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true