diff --git a/requirements.txt b/requirements.txt
index 514b2748f..9f2897f28 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ phonenumbers>=8.12.14
 pickleshare==0.7.5
 prometheus-client==0.7.1
 prompt-toolkit==2.0.9
-protobuf==3.13.0
+protobuf==3.15.0
 ptyprocess==0.6.0
 pycparser==2.20
 pycrypto==2.6.1