diff --git a/pyproject.toml b/pyproject.toml
index 2f2ec82..2cae476 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dev = [
     "flit==3.9.0",
     "flake8==7.0.0",
     "flake8-bugbear==23.2.13",
-    "mypy==1.1.1",
+    "mypy==1.8.0",
     "rich==13.7.0",
     "ufmt==2.3.0",
     "usort==1.0.7",