diff --git a/requirements.txt b/requirements.txt
index 5402d92..51f7ed9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ idna==2.9
 mysql-connector-python==8.0.20
 mysqlclient==1.4.6
 oauthlib==3.1.0
-protobuf==3.12.2
+protobuf==3.18.3
 psycopg2==2.8.4
 pycparser==2.20
 PyJWT==1.7.1