diff --git a/eng/Versions.props b/eng/Versions.props
index 09001dd3fb..62571e2c45 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -51,7 +51,7 @@
     <MicrosoftDiagnosticsNETCoreClientVersion>0.2.631904</MicrosoftDiagnosticsNETCoreClientVersion>
     <MicrosoftExtensionsDependencyModelPackageVersion>6.0.2</MicrosoftExtensionsDependencyModelPackageVersion>
     <MicrosoftExtensionsFileSystemGlobbingVersion>6.0.0</MicrosoftExtensionsFileSystemGlobbingVersion>
-    <MicrosoftFakesVersion>17.12.0</MicrosoftFakesVersion>
+    <MicrosoftFakesVersion>18.0.0-beta.25364.2</MicrosoftFakesVersion>
     <MicrosoftInternalCodeCoverageVersion>17.15.0-preview.25354.5</MicrosoftInternalCodeCoverageVersion>
     <!--
       Make sure you are taking a version from a release branch (rel/d*) in VS. Otherwise there won't be symbols for the dlls in package,
diff --git a/src/Microsoft.TestPlatform.Common/ExternalAssemblyVersions.cs b/src/Microsoft.TestPlatform.Common/ExternalAssemblyVersions.cs
index 7e831df12f..f05cf8adc3 100644
--- a/src/Microsoft.TestPlatform.Common/ExternalAssemblyVersions.cs
+++ b/src/Microsoft.TestPlatform.Common/ExternalAssemblyVersions.cs
@@ -10,5 +10,5 @@ internal class ExternalAssemblyVersions
     /// Microsoft.QualityTools.Testing.Fakes.TestRunnerHarness package.
     /// The Package version can be found in "eng\Versions.props"
     /// </summary>
-    internal const string MicrosoftFakesAssemblyVersion = "17.0.0.0";
+    internal const string MicrosoftFakesAssemblyVersion = "18.0.0.0";
 }