diff --git a/sonaranalyzer-dotnet/tests/SonarAnalyzer.UnitTest/Rules/UseUriInsteadOfStringTest.cs b/sonaranalyzer-dotnet/tests/SonarAnalyzer.UnitTest/Rules/UseUriInsteadOfStringTest.cs
index 0f165b0fab1..ae3bee7dbac 100644
--- a/sonaranalyzer-dotnet/tests/SonarAnalyzer.UnitTest/Rules/UseUriInsteadOfStringTest.cs
+++ b/sonaranalyzer-dotnet/tests/SonarAnalyzer.UnitTest/Rules/UseUriInsteadOfStringTest.cs
@@ -23,6 +23,7 @@
 using csharp::SonarAnalyzer.Rules.CSharp;
 using SonarAnalyzer.UnitTest.MetadataReferences;
 using SonarAnalyzer.UnitTest.TestFramework;
+using Microsoft.CodeAnalysis;
 
 namespace SonarAnalyzer.UnitTest.Rules
 {
@@ -36,6 +37,15 @@ public void UseUriInsteadOfString() =>
                 new UseUriInsteadOfString(),
                 additionalReferences: MetadataReferenceFacade.GetSystemDrawing());
 
+        [TestMethod]
+        [TestCategory("Rule")]
+        public void UseUriInsteadOfString_CSharp9() =>
+            Verifier.VerifyAnalyzer(@"TestCases\UseUriInsteadOfString.CSharp9.cs",
+                new UseUriInsteadOfString(),
+                ParseOptionsHelper.FromCSharp9,
+                additionalReferences: MetadataReferenceFacade.GetSystemDrawing(),
+                outputKind: OutputKind.ConsoleApplication);
+
         [TestMethod]
         [TestCategory("Rule")]
         public void UseUriInsteadOfString_InvalidCode() =>
diff --git a/sonaranalyzer-dotnet/tests/SonarAnalyzer.UnitTest/TestCases/UseUriInsteadOfString.CSharp9.cs b/sonaranalyzer-dotnet/tests/SonarAnalyzer.UnitTest/TestCases/UseUriInsteadOfString.CSharp9.cs
new file mode 100644
index 00000000000..47d6b8c61fb
--- /dev/null
+++ b/sonaranalyzer-dotnet/tests/SonarAnalyzer.UnitTest/TestCases/UseUriInsteadOfString.CSharp9.cs
@@ -0,0 +1,13 @@
+S3994 p = new("www.sonarsource.com"); // Compliant - FN
+
+string GetUrl(string url) => ""; // Compliant - FN
+
+public record S3994
+{
+    public S3994(string uri) { } // Noncompliant {{Either change this parameter type to 'System.Uri' or provide an overload which takes a 'System.Uri' parameter.}}
+
+    public S3994(string uri, bool blah) { } // Noncompliant {{Either change this parameter type to 'System.Uri' or provide an overload which takes a 'System.Uri' parameter.}}
+
+    public virtual string Url { get; set; } // Noncompliant {{Change this property type to 'System.Uri'.}}
+//                 ^^^^^^
+}