diff --git a/requirents.txt b/requirents.txt
index 2ec9500..96951e3 100644
--- a/requirents.txt
+++ b/requirents.txt
@@ -28,7 +28,7 @@ mock==2.0.0
 numpy==1.15.0
 pandas==0.23.3
 pbr==4.2.0
-protobuf==3.6.0
+protobuf==3.18.3
 Pygments==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5