diff --git a/requirements.txt b/requirements.txt
index 2d131e2..664d7bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ pbr==3.1.1
 pexpect==4.2.1
 Pillow==5.1.0
 pipreqs==0.4.9
-protobuf==3.0.0
+protobuf==3.18.3
 psutil==5.6.3
 psycopg2-binary==2.7.5
 pycairo==1.16.2