diff --git a/pyproject.toml b/pyproject.toml
index c38ab0d..2d51924 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dev = [
     "attribution==1.6.2",
     "black==23.3.0",
     "flit==3.8.0",
-    "mypy==1.2.0",
+    "mypy==1.3.0",
     "ufmt==2.1.0",
     "usort==1.0.6",
 ]