diff --git a/requirements.txt b/requirements.txt
index 3019393..0383012 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ chardet==3.0.4
 dnspython==2.0.0
 idna==2.10
 mysql-connector-python==8.0.22
-protobuf==3.13.0
+protobuf==3.17.3
 requests==2.24.0
 six==1.15.0
 urllib3==1.25.11