diff --git a/.github/workflows/database_protocol_mypy_check.yml b/.github/workflows/database_protocol_mypy_check.yml
index ff847f536..8b44882ee 100644
--- a/.github/workflows/database_protocol_mypy_check.yml
+++ b/.github/workflows/database_protocol_mypy_check.yml
@@ -1,3 +1,5 @@
+permissions:
+  contents: read
 name: Database Adapter MyPy Check
 
 on: