diff --git a/pyproject.toml b/pyproject.toml
index f788463..8002e1e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ test = [
 ]
 typing = [
     "pytask-parallel",
-    "ty>=0.0.8,<0.0.34",
+    "ty>=0.0.8,<0.0.41",
     {include-group = "coiled"},
     {include-group = "dask"},
 ]