diff --git a/requirements-dev.txt b/requirements-dev.txt
index e3390ec..a3e197d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -42,9 +42,9 @@ isort==5.11.4
     # via -r requirements-dev.in
 mccabe==0.7.0
     # via flake8
-mypy==0.991
+mypy==1.1.1
     # via -r requirements-dev.in
-mypy-extensions==0.4.3
+mypy-extensions==1.0.0
     # via
     #   black
     #   mypy