diff --git a/setup.py b/setup.py
index 0bf8ffd..3485e2a 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@ setuptools.setup(
         "pymultihash",
         "multiaddr",
         "rpcudp",
-        "umsgpack"
+        "umsgpack",
         "grpcio",
         "grpcio-tools",
         "lru-dict>=1.1.6"