diff --git a/requirements.txt b/requirements.txt
index 4b78ddf..b649960 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ mysql-connector-python==8.0.21
 numpy==1.19.0
 pandas==1.0.5
 pkg-resources==0.0.0
-protobuf==3.12.2
+protobuf==3.15.0
 python-dateutil==2.8.1
 pytz==2020.1
 six==1.15.0