diff --git a/listingfiltering/requirements.txt b/listingfiltering/requirements.txt
index b6e2914..3c96428 100644
--- a/listingfiltering/requirements.txt
+++ b/listingfiltering/requirements.txt
@@ -1,4 +1,4 @@
 mysql-connector-python==8.0.11
 mysqlclient==1.4.4
-protobuf==3.7.1
+protobuf==3.18.3
 six==1.12.0