diff --git a/final/requirements.txt b/final/requirements.txt
index 38f4cbb..1e0b4c2 100644
--- a/final/requirements.txt
+++ b/final/requirements.txt
@@ -75,7 +75,7 @@ Pillow==8.2.0
 pipreqs==0.4.7
 plainbox==0.25
 pluginlib==1.10.5
-protobuf==3.3.0
+protobuf==3.18.3
 ptyprocess==0.5
 pyasn1==0.2.3
 pyasn1-modules==0.0.8