diff --git a/pyproject.toml b/pyproject.toml
index cc3fd2c..0ea48e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -103,7 +103,7 @@ all = [
 ]
 develop = [
   "black<24",
-  "mypy==1.7.1",
+  "mypy==1.8.0",
   "poethepoet<0.25",
   "pyproject-fmt<1.6",
   "ruff==0.1.9",