diff --git a/.github/workflows/dotnet-codeql.yml b/.github/workflows/dotnet-codeql.yml
index b96deb8..83e7aed 100644
--- a/.github/workflows/dotnet-codeql.yml
+++ b/.github/workflows/dotnet-codeql.yml
@@ -39,6 +39,8 @@ jobs:
           6.0.x
           7.0.x
           8.0.x
+          9.0.x
+        dotnet-quality: 'preview'
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 81287c8..35f76ad 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -21,6 +21,8 @@ jobs:
           6.0.x
           7.0.x
           8.0.x
+          9.0.x
+        dotnet-quality: 'preview'
 
     - name: Install dependencies
       run: dotnet restore
diff --git a/Directory.Build.props b/Directory.Build.props
index 11ce677..59457e7 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,8 +1,8 @@
 <Project>
   <PropertyGroup Label="Frameworks">
-    <ClassLibTargetFrameworks>netstandard2.0;net7.0;net8.0</ClassLibTargetFrameworks>
-    <TestTargetFrameworks>net6.0;net7.0;net8.0</TestTargetFrameworks>
-    <SampleTargetFramework>net8.0</SampleTargetFramework>
+    <ClassLibTargetFrameworks>netstandard2.0;net7.0;net8.0;net9.0</ClassLibTargetFrameworks>
+    <TestTargetFrameworks>net6.0;net7.0;net8.0;net9.0</TestTargetFrameworks>
+    <SampleTargetFramework>net9.0</SampleTargetFramework>
 
     <!-- Unit tests are running against EOL SDKs as well. Disable all warnings related to EOL SDK -->
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
diff --git a/Directory.Packages.props b/Directory.Packages.props
index e61332c..20925d9 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -5,7 +5,7 @@
   <!-- Run "dotnet list package (dash,dash)outdated" to see the latest versions of each package.-->
   <ItemGroup Label="Dependencies">
     <PackageVersion Include="System.ComponentModel.Annotations" Version="5.0.0" Condition="$(TargetFramework.StartsWith('netstandard'))" />
-    <PackageVersion Include="System.Text.Json" Version="8.0.5" Condition="$(TargetFramework.StartsWith('netstandard'))" />
+    <PackageVersion Include="System.Text.Json" Version="9.0.0-rc.2.24473.5" Condition="$(TargetFramework.StartsWith('netstandard'))" />
   </ItemGroup>
   <ItemGroup Label="Build Dependencies">
     <PackageVersion Include="coverlet.collector" Version="6.0.2" />