diff --git a/requirements.txt b/requirements.txt
index 14eb337..098d735 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1
-protobuf==3.13.0
+protobuf==3.15.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 python-box==5.1.1