diff --git a/MindProgram/packages.config b/MindProgram/packages.config
index 7349be2..a3a32f6 100644
--- a/MindProgram/packages.config
+++ b/MindProgram/packages.config
@@ -1,6 +1,6 @@
 <?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="MySql.Data" version="8.0.16" targetFramework="net472" />
 </packages>
\ No newline at end of file