diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d262100..75e7d548 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,9 @@ on:
     branches: [ master ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 9d7ac879..17a23c62 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -10,6 +10,9 @@ on:
     branches: [ master ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   codecov: