diff --git a/MareSynchronosAPI/MareSynchronos.API.csproj b/MareSynchronosAPI/MareSynchronos.API.csproj
index b602ae6..8c0e954 100644
--- a/MareSynchronosAPI/MareSynchronos.API.csproj
+++ b/MareSynchronosAPI/MareSynchronos.API.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MessagePack.Annotations" Version="2.5.187" />
+    <PackageReference Include="MessagePack.Annotations" Version="3.1.3" />
   </ItemGroup>
 
 </Project>