diff --git a/setup.py b/setup.py
index 062a47c..275d31a 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
     'Events==0.4',
     'websocket-client==0.57.0',
     'simplejson==3.17.2',
-    'pymongo==3.11.3',
+    'pymongo==4.2.0',
     'msgpack==1.0.2',
     'boto3<=1.17.20',
     "wsaccel==0.6.2",