diff --git a/requirements.txt b/requirements.txt
index 4d615e0..4c11d71 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -133,7 +133,7 @@ pickleshare==0.6
 Pillow==5.0.0
 piston-mini-client==0.7.5
 powerline-status==2.6
-protobuf==3.5.2
+protobuf==3.15.0
 psutil==3.4.2
 psycopg2==2.6.2
 ptyprocess==0.5.1