diff --git a/requirements.txt b/requirements.txt
index cf45b88a..9b20b573 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -78,7 +78,7 @@ pbr==5.4.4
 pefile==2019.4.18
 Pillow==9.0.0
 pip-upgrader==1.4.15
-protobuf==3.11.3
+protobuf==3.18.3
 psycopg2-binary==2.8.6
 pyasn1==0.4.8
 pyasn1-modules==0.2.8