diff --git a/Virtual Machine/requirements.txt b/Virtual Machine/requirements.txt
index 4443282..ee6f96e 100644
--- a/Virtual Machine/requirements.txt	
+++ b/Virtual Machine/requirements.txt	
@@ -17,7 +17,7 @@ grpcio==1.17.1
 idna==2.8
 msgpack==0.6.0
 paho-mqtt==1.4.0
-protobuf==3.6.1
+protobuf==3.18.3
 pyasn1==0.4.5
 pyasn1-modules==0.2.3
 python-apt==1.4.0b3