diff --git a/pyproject.toml b/pyproject.toml
index 12b665c..ee2f67f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ black = "~22"
 flake8 = "~4"
 isort = "~5"
 mkdocs-material = "~8"
-mypy = "~0"
+mypy = "~1"
 pytest = "~7"
 pytest-cov = "~3"
 types-setuptools = "^57.4.17"