diff --git a/Core/Shared/packages.config b/Core/Shared/packages.config
index 385a9b08..3ad05159 100644
--- a/Core/Shared/packages.config
+++ b/Core/Shared/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <packages>
-  <package id="MessagePack" version="1.7.3.4" targetFramework="net472" />
+  <package id="MessagePack" version="1.9.3" targetFramework="net472" />
   <package id="morelinq" version="3.1.0" targetFramework="net472" />
   <package id="System.Reflection.Emit" version="4.3.0" targetFramework="net472" />
   <package id="System.Reflection.Emit.Lightweight" version="4.3.0" targetFramework="net472" />