diff --git a/requirements.txt b/requirements.txt
index c476931..15ad636 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ itsdangerous==2.2.0
 Jinja2==3.1.4
 MarkupSafe==2.1.5
 mysql-connector-python==9.0.0
-protobuf==5.27.2
+protobuf==5.28.1
 pycodestyle==2.12.0
 PyJWT==2.8.0
 python-dotenv==1.0.1