diff --git a/Directory.Packages.props b/Directory.Packages.props
index 6d59a2c6a5..6087fda1df 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -46,7 +46,7 @@
     <!-- UWP and WinUI dependencies -->
     <MicrosoftNETCoreUniversalWindowsPlatformVersion>6.2.14</MicrosoftNETCoreUniversalWindowsPlatformVersion>
     <!-- Test Platform, .NET Test SDK and Object Model  -->
-    <MicrosoftNETTestSdkVersion>18.8.0</MicrosoftNETTestSdkVersion>
+    <MicrosoftNETTestSdkVersion>18.9.0</MicrosoftNETTestSdkVersion>
     <!-- MicrosoftPlaywrightVersion is consumed by the build and baked into the shipped MSTest.Sdk
          template. It MUST be kept in sync with the literal Microsoft.Playwright.MSTest.v4
          PackageVersion declared near the bottom of this file (the one Dependabot updates). The