diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 86f2468b..6f1daaf7 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,5 +1,8 @@
 name: Lint
 
+permissions:
+  contents: read
+
 on: [push, pull_request]
 
 jobs:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f67d0b6f..e53820c0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,5 +1,8 @@
 name: Tests
 
+permissions:
+  contents: read
+
 on: [push, pull_request]
 
 jobs:
@@ -60,6 +63,10 @@ jobs:
   coverage:
     runs-on: ubuntu-24.04
 
+    permissions:
+      contents: read
+      checks: write
+
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python 3.12