diff --git a/TNP/packages.config b/TNP/packages.config
index 0a6011b..ae4a3e6 100644
--- a/TNP/packages.config
+++ b/TNP/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.8.3.1" targetFramework="net471" />
-  <package id="Google.Protobuf" version="3.6.1" targetFramework="net471" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net471" />
   <package id="MySql.Data" version="8.0.17" targetFramework="net471" />
   <package id="SSH.NET" version="2016.1.0" targetFramework="net471" />
 </packages>
\ No newline at end of file