diff --git a/pyproject.toml b/pyproject.toml
index b80bc19..2352729 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dev = [
     "flake8==7.2.0",
     "flake8-bugbear==24.12.12",
     "flit==3.12.0",
-    "mypy==1.15.0",
+    "mypy==1.19.0",
     "ufmt==2.8.0",
     "usort==1.0.8.post1",
 ]