diff --git a/requirements.txt b/requirements.txt
index a22cccc..a1502cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ mysqlclient==1.4.2.post1
 numpy==1.16.3
 pandas==0.24.2
 pep8==1.7.1
-protobuf==3.7.1
+protobuf==3.15.0
 psycopg2==2.7.5
 psycopg2-binary==2.8.4
 pyasn1==0.4.5