diff --git a/pyproject.toml b/pyproject.toml
index cbb5209..ab42d4a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ test = [
   "ruff<=0.15.20,>=0.15.20",
   "coverage<=7.14.3,>=7.14.3",
   "prek>=0.4.6,<0.5.0",
-  "ty<=0.0.42,>=0.0.42",
+  "ty<=0.0.65,>=0.0.65",
 ]
 
 [build-system]