diff --git a/Mite.MySql/packages.config b/Mite.MySql/packages.config
index 46cd5a7..c47f2d7 100644
--- a/Mite.MySql/packages.config
+++ b/Mite.MySql/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.6.1" targetFramework="net462" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net462" />
   <package id="MySql.Data" version="8.0.13" targetFramework="net462" />
 </packages>
\ No newline at end of file