diff --git a/PackDB.Core/PackDB.Core.csproj b/PackDB.Core/PackDB.Core.csproj
index f711593..a3d085d 100644
--- a/PackDB.Core/PackDB.Core.csproj
+++ b/PackDB.Core/PackDB.Core.csproj
@@ -43,7 +43,7 @@
     </PropertyGroup>
     
     <ItemGroup>
-      <PackageReference Include="MessagePack" Version="2.2.85" />
+      <PackageReference Include="MessagePack" Version="2.5.187" />
       <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="5.0.0" />
     </ItemGroup>