diff --git a/lang/csharp/versions.props b/lang/csharp/versions.props
index b6b9747fe2a..43bfb373d09 100644
--- a/lang/csharp/versions.props
+++ b/lang/csharp/versions.props
@@ -55,7 +55,7 @@
     <MicrosoftBuildFrameworkVersion>16.8.0</MicrosoftBuildFrameworkVersion>
     <MicrosoftBuildUtilitiesCoreVersion>16.8.0</MicrosoftBuildUtilitiesCoreVersion>
     <MicrosoftCodeAnalysisNetAnalyzersVersion>5.0.3</MicrosoftCodeAnalysisNetAnalyzersVersion>
-    <MicrosoftNETTestSdkVersion>16.11.0</MicrosoftNETTestSdkVersion>
+    <MicrosoftNETTestSdkVersion>17.5.0</MicrosoftNETTestSdkVersion>
     <NUnitVersion>3.13.2</NUnitVersion>
     <NUnitConsoleRunnerVersion>3.12.0</NUnitConsoleRunnerVersion>
     <NUnit3TestAdapterVersion>3.17.0</NUnit3TestAdapterVersion>