diff --git a/requirements.txt b/requirements.txt
index 3fca006..85e0721 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ one-gadget==1.1.0
 pbr==5.4.4
 pexpect==4.2.1
 Pillow==5.1.0
-protobuf==3.0.0
+protobuf==3.15.0
 psycopg2==2.8.4
 psycopg2-binary==2.8.5
 pycairo==1.16.2