diff --git a/requirements.txt b/requirements.txt
index 438a7ab..37d8173 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ mysql-connector-python==8.0.16
 numpy==1.16.5
 pandas==0.25.1
 plotly==4.1.1
-protobuf==3.6.0
+protobuf==3.15.0
 python-dateutil==2.8.0
 python-decouple==3.1
 python-dotenv==0.10.3