diff --git a/requirements.txt b/requirements.txt
index 029c43e..aeff517 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ iniconfig==1.1.1
 mysql-connector-python==8.0.26
 packaging==21.0
 pluggy==1.0.0
-protobuf==3.17.3
+protobuf==3.18.3
 py==1.10.0
 pycparser==2.20
 pydantic==1.8.2