diff --git a/Model/requirements.txt b/Model/requirements.txt
index 8692685..fedcca6 100644
--- a/Model/requirements.txt
+++ b/Model/requirements.txt
@@ -22,7 +22,7 @@ numpy==1.18.5
 oauthlib==3.1.0
 opt-einsum==3.3.0
 Pillow==7.2.0
-protobuf==3.13.0
+protobuf==3.15.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pyparsing==2.4.7