diff --git a/FollowManager/FollowManager.csproj b/FollowManager/FollowManager.csproj
index ad6a47f..711a056 100644
--- a/FollowManager/FollowManager.csproj
+++ b/FollowManager/FollowManager.csproj
@@ -282,7 +282,7 @@
       <Version>2.5.1</Version>
     </PackageReference>
     <PackageReference Include="MessagePack">
-      <Version>1.7.3.7</Version>
+      <Version>2.5.187</Version>
     </PackageReference>
     <PackageReference Include="MessagePackAnalyzer">
       <Version>1.7.3.7</Version>