diff --git a/requirements-dev.txt b/requirements-dev.txt
index e8adeae..a6028b9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 tox==4.4.4
 pytest==7.2.1
 pylama==8.4.1
-mypy==0.991
+mypy==2.3.1