diff --git a/WebApplication1/packages.config b/WebApplication1/packages.config
index 384d863..6621936 100644
--- a/WebApplication1/packages.config
+++ b/WebApplication1/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.8.3.1" targetFramework="net472" />
-  <package id="Google.Protobuf" version="3.6.1" targetFramework="net472" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net472" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.1" targetFramework="net472" />
   <package id="MySql.Data" version="8.0.19" targetFramework="net472" />
   <package id="SSH.NET" version="2016.1.0" targetFramework="net472" />