diff --git a/.github/workflows/block-invalid-merges-release.yml b/.github/workflows/block-invalid-merges-release.yml
index 2e6aa2d..6485b69 100644
--- a/.github/workflows/block-invalid-merges-release.yml
+++ b/.github/workflows/block-invalid-merges-release.yml
@@ -1,5 +1,8 @@
 name: Prevenir Merges inválidos para o Release
 
+permissions:
+  contents: read
+
 on:
   pull_request:
     branches: