diff --git a/src/MockHttp.Json/MockHttp.Json.csproj b/src/MockHttp.Json/MockHttp.Json.csproj
index 6d469ea..f2070b7 100644
--- a/src/MockHttp.Json/MockHttp.Json.csproj
+++ b/src/MockHttp.Json/MockHttp.Json.csproj
@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="System.Text.Json" Version="10.0.0" Condition="'$(TargetFramework)'=='netstandard2.0' Or '$(TargetFramework)'=='netstandard2.1'" />
+    <PackageReference Include="System.Text.Json" Version="10.0.3" Condition="'$(TargetFramework)'=='netstandard2.0' Or '$(TargetFramework)'=='netstandard2.1'" />
   </ItemGroup>
 
   <ItemGroup>