diff --git a/OnLand/requirements.txt b/OnLand/requirements.txt
index dd1a786..23f1a0f 100644
--- a/OnLand/requirements.txt
+++ b/OnLand/requirements.txt
@@ -14,7 +14,7 @@ influxdb==5.2.2
 itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
-protobuf==3.7.1
+protobuf==3.18.3
 pyasn1==0.4.5
 pyasn1-modules==0.2.4
 python-dateutil==2.8.0