diff --git a/requirements.txt b/requirements.txt
index 7ba16846e..1c7b5a78a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ pdftotext==2.1.5
 pip==23.0.1
 property-manager==3.0
 proto-plus==1.19.5
-protobuf==3.17.3
+protobuf==3.18.3
 psycopg2==2.8.6
 pyasn1==0.4.8
 pyasn1-modules==0.2.8