diff --git a/requirements-dev.txt b/requirements-dev.txt
index 377e6171..d326f028 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ flake8==3.8.*
 isort[requirements]==5.7.*
 mongomock==3.22.*
 moto==3.1.16
-mypy==0.790
+mypy==0.971
 pytest==6.2.*
 pytest-cov==2.11.*
 pytest-mock==3.5.*