diff --git a/requirements.txt b/requirements.txt
index 50ca8c1..8e80dab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -117,7 +117,7 @@ pmdarima==1.8.4
 progressbar==2.5
 prometheus-client==0.12.0
 prompt-toolkit==3.0.20
-protobuf==3.17.2
+protobuf==3.18.3
 psycopg2==2.8.6
 pyasn1==0.4.8
 pyasn1-modules==0.2.8