diff --git a/dev_requirements.txt b/dev_requirements.txt
index a7887c64529..8dc3495801e 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -9,7 +9,7 @@ six>=1.14.0
 ipdb
 pytest-xdist>=1.28.0,<2
 flaky>=3.5.3,<4
-mypy==0.782
+mypy==0.990
 wheel
 twine
 pytest-logbook>=1.2.0,<1.3