diff --git a/pyproject.toml b/pyproject.toml
index e9ac9e03b..340c9c365 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -88,7 +88,7 @@ dev = [
     "strict-kwargs==2026.8.28.post2",
     "sybil==10.1.0",
     "towncrier==26.9.0",
-    "ty==0.0.83",
+    "ty==0.0.84",
     "types-requests==2.33.0.20260906",
     "vale==3.22.0.0",
     "vulture==2.16",