diff --git a/requirements-dev.txt b/requirements-dev.txt
index d9d6fdded1..a6b55f472e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,7 @@ flake8==5.0.4
 flake8-noqa==1.2.9
 
 mock==4.0.3
-mypy==0.971
+mypy==0.991
 pytest==7.1.3
 
 typing-extensions==4.3.0