diff --git a/setup.py b/setup.py
index 15f350c4603..ec536b28dc6 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@ def is_pure(self):
         return False
 
 
-dask_deps = ["dask>=2.12.0", "distributed>=2.12.0"]
+dask_deps = ["dask>=2.12.0,<=2.19.0", "distributed>=2.12.0,<=2.19.0"]
 ray_deps = ["ray>=1.0.0", "pyarrow<0.17"]
 remote_deps = ["rpyc==4.1.5", "cloudpickle==1.4.1", "boto3==1.4.8"]