diff --git a/requirements.txt b/requirements.txt
index a8c965c..5bdc51b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -79,7 +79,7 @@ parso==0.7.1
 pickleshare==0.7.5
 pika==1.1.0
 prompt-toolkit==2.0.10
-protobuf==3.13.0
+protobuf==3.18.3
 psycopg2-binary==2.8.6
 pyasn1==0.4.8
 pyasn1-modules==0.2.8