diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index e5203fb..f6da1fb 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -1,4 +1,6 @@
 name: coverage
+permissions:
+  contents: read
 on:
   pull_request:
   push: