diff --git a/requirements.txt b/requirements.txt
index b2efe37..f35b8fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -160,7 +160,7 @@ pluggy==0.13.1
 ply==3.11
 prometheus-client==0.7.1
 prompt-toolkit==3.0.3
-protobuf==3.11.4
+protobuf==3.15.0
 psutil==5.6.7
 psycopg2==2.8.4
 py==1.8.1