diff --git a/.github/workflows/python_actions.yml b/.github/workflows/python_actions.yml
index ec8ed5010..bfa4b0f19 100644
--- a/.github/workflows/python_actions.yml
+++ b/.github/workflows/python_actions.yml
@@ -67,6 +67,7 @@ jobs:
         package: spinnman
         exitcheck: 31 # Action fails on any message
         language: en_GB
+        rcfile: global_strict
     - name: Lint with mypy
       run: mypy spinnman