diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 886c1ce..856f505 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -25,7 +25,7 @@ kobin==0.1.10
 MarkupSafe==1.0
 mccabe==0.6.1
 more-itertools==4.3.0
-mypy==0.630
+mypy==0.641
 mypy-extensions==0.4.1
 packaging==18.0
 parso==0.3.1