diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1f7ebcd0..d935cb5c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -47,4 +47,5 @@ repos:
         name: mypy
         entry: mypy
         language: system
+        require_serial: true
         types: [python]