diff --git a/pyproject.toml b/pyproject.toml
index 7adb13e..b6ecb61 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
 dev = [
     "black==23.7.0",
     "build==1.0.3",
-    "mypy==1.5.1",
+    "mypy==1.6.1",
     "pytest==7.4.3",
     "pytest-cov==4.1.0",
     "pylint==2.17.4",