diff --git a/pyproject.toml b/pyproject.toml
index 0117eadbe38e..962691b13bdb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ dependencies = [
     "asgi-lifespan>=1.0,<3.0",
     "cachetools>=5.3,<7.0",
     "cloudpickle>=2.0,<4.0",
-    "coolname>=1.0.4,<3.0.0",
+    "coolname>=1.0.4,<6.0.0",
     "exceptiongroup>=1.0.0",
     "fastapi>=0.111.0,<1.0.0",
     "fsspec>=2022.5.0",