diff --git a/setup.py b/setup.py
index 21c38db68..aedf617a6 100644
--- a/setup.py
+++ b/setup.py
@@ -85,7 +85,7 @@ def run_tests(self):
         'six>=1.10.0,<2',
         'graphql-core>=1.1,<2',
         'graphql-relay>=0.4.5,<1',
-        'promise>=2.0,<2.1',
+        'promise>=2.0,<2.4',
     ],
     tests_require=tests_require,
     extras_require={