diff --git a/src/SocketIO.Serializer.MessagePack/SocketIO.Serializer.MessagePack.csproj b/src/SocketIO.Serializer.MessagePack/SocketIO.Serializer.MessagePack.csproj
index 303bbd3..9ebbde3 100644
--- a/src/SocketIO.Serializer.MessagePack/SocketIO.Serializer.MessagePack.csproj
+++ b/src/SocketIO.Serializer.MessagePack/SocketIO.Serializer.MessagePack.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="MessagePack" Version="2.5.172" />
+    <PackageReference Include="MessagePack" Version="2.5.187" />
   </ItemGroup>
 
 </Project>