diff --git a/requirements.txt b/requirements.txt
index b151fb90a7..9a818e6625 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -107,7 +107,7 @@ Pillow==6.2.2
 pluggy==0.6.0
 portalocker==1.2.1
 priority==1.3.0
-protobuf==3.7.1
+protobuf==3.15.0
 psutil==5.6.6
 py-cpuinfo==4.0.0
 py-ubjson==0.11.0