diff --git a/MOBA_CSharp_Server/MOBA_CSharp_Server/packages.config b/MOBA_CSharp_Server/MOBA_CSharp_Server/packages.config
index f0d40ad..f614c71 100644
--- a/MOBA_CSharp_Server/MOBA_CSharp_Server/packages.config
+++ b/MOBA_CSharp_Server/MOBA_CSharp_Server/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="CsvHelper" version="12.1.2" targetFramework="net461" />
-  <package id="MessagePack" version="1.7.3.4" targetFramework="net461" />
+  <package id="MessagePack" version="1.9.3" targetFramework="net461" />
   <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net461" />
   <package id="System.Threading.Tasks.Extensions" version="4.3.0" targetFramework="net461" />
   <package id="System.ValueTuple" version="4.4.0" targetFramework="net461" />