diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a65f973a0..6105adaa7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,6 @@
 name: CI
+permissions:
+  contents: read
 
 on: [pull_request]
 
diff --git a/.github/workflows/replica-tests.yml b/.github/workflows/replica-tests.yml
index 9641727a2..957d7a176 100644
--- a/.github/workflows/replica-tests.yml
+++ b/.github/workflows/replica-tests.yml
@@ -1,4 +1,6 @@
 name: migration tests
+permissions:
+  contents: read
 
 on: [pull_request]