diff --git a/src/Dbosoft.Functional.Json/Dbosoft.Functional.Json.csproj b/src/Dbosoft.Functional.Json/Dbosoft.Functional.Json.csproj
index cbc851c..10dffea 100644
--- a/src/Dbosoft.Functional.Json/Dbosoft.Functional.Json.csproj
+++ b/src/Dbosoft.Functional.Json/Dbosoft.Functional.Json.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="LanguageExt.Core" Version="[4.4.0,4.5.0)" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="9.0.4" />
   </ItemGroup>
 
   <ItemGroup>