diff --git a/ML/requirements.txt b/ML/requirements.txt
index 2eb11f5..38de17b 100644
--- a/ML/requirements.txt
+++ b/ML/requirements.txt
@@ -5,7 +5,7 @@ Markdown==2.6.9
 matplotlib==2.1.0
 numpy==1.13.3
 pandas==0.20.3
-protobuf==3.4.0
+protobuf==3.18.3
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.2