diff --git a/kubernetes/aks/series_2_network_mgmnt/part_0_docker/pydgraph/requirements.txt b/kubernetes/aks/series_2_network_mgmnt/part_0_docker/pydgraph/requirements.txt
index 939dede..4404123 100644
--- a/kubernetes/aks/series_2_network_mgmnt/part_0_docker/pydgraph/requirements.txt
+++ b/kubernetes/aks/series_2_network_mgmnt/part_0_docker/pydgraph/requirements.txt
@@ -1,5 +1,5 @@
 certifi==2021.5.30
 grpcio==1.38.1
-protobuf==3.17.3
+protobuf==3.18.3
 pydgraph==21.3.0
 six==1.16.0