diff --git a/requirements.txt b/requirements.txt
index 96ba046..4367ffc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ Flask-Testing==0.6.1
 Flask-SocketIO==2.8.1
 blinker==1.4
 mongomock==3.7.0
-pymongo==3.4.0
+pymongo==4.6.3
 requests>=2.20.0