diff --git a/requirements-dev.txt b/requirements-dev.txt
index 99fd3fc6f..a2ffa1a06 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,7 @@ coveralls==1.8.2
 flake8==3.7.9
 flake8-type-annotations==0.1.0
 flake8-tidy-imports==3.1.0
-mypy==0.740
+mypy==0.750
 pytest==5.3.1
 pytest-asyncio==0.10.0
 pytest-cov==2.8.1