diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index c31fbaa..f0c0c41 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -4,6 +4,9 @@ on:
   push:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   tarpaulin:
     runs-on: ubuntu-latest