diff --git a/middlebox/requirements.txt b/middlebox/requirements.txt
index abb6ad3..104f67f 100644
--- a/middlebox/requirements.txt
+++ b/middlebox/requirements.txt
@@ -1,5 +1,5 @@
 pycrypto==2.6.1
-pymongo==3.4.0
+pymongo==4.6.3
 scapy==2.3.2
 scapy-ssl-tls==1.2.3.1
 tinyec==0.3.1