diff --git a/requirements-base.txt b/requirements-base.txt
index 6eda6c1..9fd10a6 100644
--- a/requirements-base.txt
+++ b/requirements-base.txt
@@ -81,7 +81,7 @@ packaging==20.3
 pbr==5.4.5
 pillow==7.1.1
 pluggy==0.13.1
-protobuf==3.11.3
+protobuf==3.18.3
 psutil==5.7.0
 psycogreen==1.0.2
 psycopg2-binary==2.8.5