diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 9917284..1c94ae6 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -17,6 +17,9 @@
     group: ${{ github.workflow }}-${{ github.ref }}
     cancel-in-progress: true
   
+  permissions:
+    contents: read
+  
   jobs:
     check-release:
       name: Check if release needed
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4ee03db..bc53d7e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,9 @@ on:
       - main
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   ci-data:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index 0287d52..2696450 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -5,4 +5,7 @@ on:
     - cron: '0 0 * * *'
 jobs:
   call-workflow-from-shared-config:
+    permissions:
+      issues: write
+      pull-requests: write
     uses: rubyatscale/shared-config/.github/workflows/stale.yml@main