diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 5f84887ae..c723c7c09 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -13,6 +13,9 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions:
+  contents: read
+
 jobs:
   test:
 
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index 00b048ff4..ac62bdd4c 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -4,9 +4,15 @@ on:
   schedule:
   - cron: "30 1 * * *"
 
+permissions:
+  contents: read
+
 jobs:
   stale:
 
+    permissions:
+      issues: write  # for actions/stale to close stale issues
+      pull-requests: write  # for actions/stale to close stale PRs
     runs-on: ubuntu-latest
 
     steps: