diff --git a/lang/csharp/versions.props b/lang/csharp/versions.props
index a09d7c9b24c..22a63f19839 100644
--- a/lang/csharp/versions.props
+++ b/lang/csharp/versions.props
@@ -70,7 +70,7 @@
     <MicrosoftNETTestSdkVersion>17.13.0</MicrosoftNETTestSdkVersion>
     <NUnitVersion>3.14.0</NUnitVersion>
     <NUnitConsoleRunnerVersion>3.21.1</NUnitConsoleRunnerVersion>
-    <NUnit3TestAdapterVersion>5.2.0</NUnit3TestAdapterVersion>
+    <NUnit3TestAdapterVersion>6.0.0</NUnit3TestAdapterVersion>
     <StyleCopAnalyzersVersion>1.1.118</StyleCopAnalyzersVersion>
   </PropertyGroup>
 </Project>