diff --git a/requirements.txt b/requirements.txt
index c01c616..b759f42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ importlib-metadata==1.6.0
 kombu==4.6.8
 oauthlib==3.1.0
 Pillow==9.0.1
-protobuf==3.15.0
+protobuf==3.18.3
 psycopg2==2.8.5
 pyasn1==0.4.8
 pyasn1-modules==0.2.8