diff --git a/requirements.txt b/requirements.txt
index 0b6c4d0..03e11d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -91,7 +91,7 @@ Pillow==6.0.0
 pocoui==1.0.76
 prometheus-client==0.6.0
 prompt-toolkit==2.0.9
-protobuf==3.7.1
+protobuf==3.15.0
 psutil==5.6.1
 pyasn1==0.4.5
 pyasn1-modules==0.2.5