diff --git a/Directory.Packages.props b/Directory.Packages.props
index ea5a840..55275bd 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -28,7 +28,7 @@
 
     <!-- Testing -->
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="4.0.0" />
     <PackageVersion Include="xunit.v3" Version="3.2.2" />
   </ItemGroup>
 </Project>
diff --git a/tests/ServerMonitorManager.Control.Tests/packages.lock.json b/tests/ServerMonitorManager.Control.Tests/packages.lock.json
index 140b6eb..9b8c501 100644
--- a/tests/ServerMonitorManager.Control.Tests/packages.lock.json
+++ b/tests/ServerMonitorManager.Control.Tests/packages.lock.json
@@ -31,9 +31,9 @@
       },
       "xunit.runner.visualstudio": {
         "type": "Direct",
-        "requested": "[3.1.5, )",
-        "resolved": "3.1.5",
-        "contentHash": "tKi7dSTwP4m5m9eXPM2Ime4Kn7xNf4x4zT9sdLO/G4hZVnQCRiMTWoSZqI/pYTVeI27oPPqHBKYI/DjJ9GsYgA=="
+        "requested": "[4.0.0, )",
+        "resolved": "4.0.0",
+        "contentHash": "kzLFyBYUnoidpGOXvpNOfIo8C92gVgVR6X8ncHwhcrDYugiOut5rrhDkr0L3cWHd7J2pKXf6LgaeXoBBDlx1ag=="
       },
       "xunit.v3": {
         "type": "Direct",