diff --git a/pyproject.toml b/pyproject.toml
index e4d781cd..3244b982 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -91,7 +91,7 @@ dev = [
     "sphinxcontrib-towncrier==0.5.0a0",
     "strict-kwargs==2026.8.28.post2",
     "towncrier==26.9.0",
-    "ty==0.0.84",
+    "ty==0.0.86",
     "types-pyyaml==6.0.12.20260906",
     "vale==3.22.0.0",
     "vulture==2.16",