diff --git a/pyproject.toml b/pyproject.toml
index 2c99392c..fd19b775 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -142,7 +142,7 @@ optional-dependencies.develop = [
   "pyproject-fmt<3",
   "pytest-repeat<1",
   "ruff==0.16.*",
-  "ty==0.0.67",
+  "ty==0.0.68",
   "validate-pyproject<1",
 ]
 optional-dependencies.filesystem = [