diff --git a/requirements.txt b/requirements.txt
index f90709c..1039940 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ numpy==1.22.0
 pathtools==0.1.2
 pkg-resources==0.0.0
 PredictionIO==0.9.9
-pymongo==3.7.0
+pymongo==4.6.3
 pytz==2018.5
 PyYAML==5.4
 requests==2.19.1