diff --git a/requirements-dev.txt b/requirements-dev.txt
index e6f7bde1c..946d63039 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -11,4 +11,4 @@ pytest-asyncio==0.10.0
 pytest-cov==2.7.1
 pytest-random-order==1.0.4
 coveralls==1.8.1
-mypy==0.711
+mypy==0.720