diff --git a/broker/requirements.txt b/broker/requirements.txt
index 57e9a36..f32d838 100644
--- a/broker/requirements.txt
+++ b/broker/requirements.txt
@@ -1,3 +1,3 @@
 jsonschema==3.2.0
-pymongo==3.10.1
+pymongo==4.6.3
 pyzmq==19.0.0