diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7530bf3..f62fd41 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ coverage
 coveralls
 flake8
 isort~=5.1
-mypy==0.991
+mypy==1.2
 ipython
 sphinx
 sphinx-autobuild