diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7ebbf46..e47d96e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@ black>=22.12.0
 codespell>=2.4.1
 isort>=5.12.0
 ruff>=0.14.10
-mypy-extensions==1.0.0
+mypy-extensions==1.1.0
 mypy==1.4.1
 pre-commit>=4.5.1
 pydocstyle>=6.2.3