diff --git a/requirements.txt b/requirements.txt
index 538862aed..4a75f6be3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,3 +10,4 @@ six
 ujson>=1.35
 cloudpickle
 sputnik>=0.9.2,<0.10.0
+dill>=0.2,<0.3
diff --git a/setup.py b/setup.py
index fc316e72f..49ea639e2 100644
--- a/setup.py
+++ b/setup.py
@@ -241,7 +241,8 @@ def setup_package():
                 'cloudpickle',
                 'pathlib',
                 'sputnik>=0.9.2,<0.10.0',
-                'ujson>=1.35'],
+                'ujson>=1.35',
+                'dill>=0.2,<0.3'],
             classifiers=[
                 'Development Status :: 5 - Production/Stable',
                 'Environment :: Console',