diff --git a/pyproject.toml b/pyproject.toml
index ec58d08..bf12741 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -82,6 +82,7 @@ test = [
     "pytest-cov",
     "pytest-xdist",
     "flake8",
+    "flake8-type-checking",
     "bandit>=1.7.1",
 ]
 all = [