diff --git a/src/Ulid.MessagePack/Ulid.MessagePack.csproj b/src/Ulid.MessagePack/Ulid.MessagePack.csproj
index c2832ad..b826f29 100644
--- a/src/Ulid.MessagePack/Ulid.MessagePack.csproj
+++ b/src/Ulid.MessagePack/Ulid.MessagePack.csproj
@@ -13,7 +13,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="MessagePack" Version="2.1.90" />
+        <PackageReference Include="MessagePack" Version="2.5.187" />
     </ItemGroup>
 
     <ItemGroup>