diff --git a/BDCC/Projects/p2/requirements.txt b/BDCC/Projects/p2/requirements.txt
index 2022c6248..b1bdcdbca 100644
--- a/BDCC/Projects/p2/requirements.txt
+++ b/BDCC/Projects/p2/requirements.txt
@@ -48,7 +48,7 @@ pbr==5.2.1
 ply==3.8
 proto-google-cloud-datastore-v1==0.90.4
 proto-google-cloud-pubsub-v1==0.15.4
-protobuf==3.8.0
+protobuf==3.18.3
 pyasn1==0.4.5
 pyasn1-modules==0.2.5
 pyparsing==2.4.0