diff --git a/src/Soenneker.Dtos.ProblemDetails.csproj b/src/Soenneker.Dtos.ProblemDetails.csproj
index 8a4f5b7..8e563f5 100644
--- a/src/Soenneker.Dtos.ProblemDetails.csproj
+++ b/src/Soenneker.Dtos.ProblemDetails.csproj
@@ -43,6 +43,6 @@
 
     <ItemGroup>
       <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-      <PackageReference Include="System.Text.Json" Version="8.0.5" />
+      <PackageReference Include="System.Text.Json" Version="9.0.0" />
     </ItemGroup>
 </Project>