diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index d3a18e36d..e88422241 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -12,6 +12,12 @@ env:
   RAILS_ENV: test
   RUBY_VERSION: 3.2
 
+permissions:
+  actions: write
+  contents: read
+  issues: read
+  pull-requests: read
+
 jobs:
   rubocop:
     name: Rubocop checking