diff --git a/rem/requirements.txt b/rem/requirements.txt
index 2acccf5..2f751d6 100644
--- a/rem/requirements.txt
+++ b/rem/requirements.txt
@@ -28,7 +28,7 @@ marshmallow==2.20.2
 mysqlclient==1.4.4
 oauthlib==3.1.0
 peewee==3.10.0
-protobuf==3.9.1
+protobuf==3.18.3
 pyasn1-modules==0.2.6
 pyasn1==0.4.7
 pyjwt==1.7.1