diff --git a/src/Directory.build.props b/src/Directory.build.props
index e7d5806e7..3e4d3ed99 100644
--- a/src/Directory.build.props
+++ b/src/Directory.build.props
@@ -51,7 +51,7 @@
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="Xunit.StaFact" Version="1.1.11" />
     <PackageReference Include="FluentAssertions" Version="6.11.0" />
-    <PackageReference Include="Microsoft.Reactive.Testing" Version="5.0.0" />
+    <PackageReference Include="Microsoft.Reactive.Testing" Version="6.0.0" />
     <PackageReference Include="PublicApiGenerator" Version="11.0.0" />
     <PackageReference Include="Verify.Xunit" Version="20.3.0" />
   </ItemGroup>