diff --git a/src/ServicePulse.Host.Tests/ServicePulse.Host.Tests.csproj b/src/ServicePulse.Host.Tests/ServicePulse.Host.Tests.csproj
index 6eb2c2072..d7d2da800 100644
--- a/src/ServicePulse.Host.Tests/ServicePulse.Host.Tests.csproj
+++ b/src/ServicePulse.Host.Tests/ServicePulse.Host.Tests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net48</TargetFramework>
@@ -14,7 +14,7 @@
     <PackageReference Include="NUnit" Version="4.2.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageReference Include="Particular.Approvals" Version="1.0.0" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="9.0.4" />
   </ItemGroup>
 
   <ItemGroup>