diff --git a/.github/workflows/deployment.yml b/.github/workflows/deployment.yml
index 4bc934d..e7867e3 100644
--- a/.github/workflows/deployment.yml
+++ b/.github/workflows/deployment.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ "main" ]
 
+permissions:
+  contents: read
+
 jobs:
   deployment:
     runs-on: ubuntu-latest