diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index e15d8b4..e4bc680 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -9,23 +9,26 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-latest, ubuntu-latest, macos-latest]
-        dotnetVersion: [3.1.x, 5.x, 6.x, 7.x, 8.x]
+        targetFramework: [net6.0, net7.0, net8.0, net9.0]
         include:
-          - dotnetVersion: 3.1.x
-            targetFramework: netcoreapp3.1
-          - dotnetVersion: 5.x
-            targetFramework: net5.0
-          - dotnetVersion: 6.x
-            targetFramework: net6.0
-          - dotnetVersion: 7.x
-            targetFramework: net7.0
-          - dotnetVersion: 8.x
-            targetFramework: net8.0
+          - targetFramework: net6.0
+            dotnetVersion: 6.x
+          - targetFramework: net7.0
+            dotnetVersion: 7.x
+          - targetFramework: net8.0
+            dotnetVersion: 8.x
+          - targetFramework: net9.0
+            dotnetVersion: 9.x
     steps:
     - uses: actions/checkout@v4
+    - uses: actions/setup-dotnet@v4  # Latest version is always required
+      with:
+        dotnet-version: 9.x
+        dotnet-quality: preview
     - uses: actions/setup-dotnet@v4
       with:
         dotnet-version: ${{ matrix.dotnetVersion }}
+        dotnet-quality: preview
     - run: dotnet build DacFx.sln
     - run: dotnet pack DacFx.sln --no-build
     - run: dotnet test DacFx.sln --no-build -f ${{ matrix.targetFramework }}
\ No newline at end of file
diff --git a/test/Microsoft.Build.Sql.Tests/BuildTests.cs b/test/Microsoft.Build.Sql.Tests/BuildTests.cs
index eb1abed..b20f123 100644
--- a/test/Microsoft.Build.Sql.Tests/BuildTests.cs
+++ b/test/Microsoft.Build.Sql.Tests/BuildTests.cs
@@ -258,17 +258,16 @@ public void VerifyBuildWithTransitiveProjectReferences()
         [TestCase("net481")]
         [TestCase("netstandard2.1")]
         [TestCase("netcoreapp3.1")]
-#if NET5_0_OR_GREATER
         [TestCase("net5.0")]
-#endif
-#if NET6_0_OR_GREATER
         [TestCase("net6.0")]
-#endif
 #if NET7_0_OR_GREATER
         [TestCase("net7.0")]
 #endif
 #if NET8_0_OR_GREATER
         [TestCase("net8.0")]
+#endif
+#if NET9_0_OR_GREATER
+        [TestCase("net9.0")]
 #endif
         // https://github.com/microsoft/DacFx/issues/330
         public void VerifyBuildWithDifferentTargetFrameworks(string targetFramework)
diff --git a/test/Microsoft.Build.Sql.Tests/Microsoft.Build.Sql.Tests.csproj b/test/Microsoft.Build.Sql.Tests/Microsoft.Build.Sql.Tests.csproj
index 8f25369..3c4b355 100644
--- a/test/Microsoft.Build.Sql.Tests/Microsoft.Build.Sql.Tests.csproj
+++ b/test/Microsoft.Build.Sql.Tests/Microsoft.Build.Sql.Tests.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Multi-targeting to test SDK on different .NET versions, requires all of the following SDKs to be installed. -->
     <!-- To build and test only one version, add -f to dotnet command. -->
-    <TargetFrameworks>netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
     <Nullable>enable</Nullable>
     <!-- Disable EOL target framework check since we're explicitly testing against older .NET versions. -->
     <CheckEolTargetFramework>false</CheckEolTargetFramework>