diff --git a/.github/workflows/run-all-tests-main.yaml b/.github/workflows/run-all-tests-main.yaml
index 8bee3c669..6d415ebfd 100644
--- a/.github/workflows/run-all-tests-main.yaml
+++ b/.github/workflows/run-all-tests-main.yaml
@@ -3,6 +3,8 @@ on:
   push:
     branches: [main]
   workflow_dispatch:
+permissions:
+  contents: read
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true