diff --git a/src/requirements.txt b/src/requirements.txt
index a17f531..6195772 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -3,7 +3,7 @@ kiwisolver==1.2.0
 matplotlib==3.2.1
 mongoengine==0.20.0
 numpy==1.18.4
-pymongo==3.10.1
+pymongo==4.6.3
 pyparsing==2.4.7
 python-dateutil==2.8.1
 six==1.15.0