diff --git a/pyproject.toml b/pyproject.toml
index 070f2c6..fe46329 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    'mypy==1.13.0',
+    'mypy==1.14.1',
 ]
 publish = [
     'flit==3.10.1',