diff --git a/requirements.txt b/requirements.txt
index 35c27c5..1e09ec4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 dnspython==1.16.0
 mysql-connector-python==8.0.19
-protobuf==3.6.1
+protobuf==3.15.0
 python-dotenv==0.12.0
 redis==3.4.1
 six==1.14.0