diff --git a/src/Benchmarks/Directory.Packages.props b/src/Benchmarks/Directory.Packages.props
index b314f0753..190f05ead 100644
--- a/src/Benchmarks/Directory.Packages.props
+++ b/src/Benchmarks/Directory.Packages.props
@@ -16,7 +16,7 @@
     <PackageVersion Include="Nerdbank.GitVersioning" Version="1.0.0-beta-gf8a674c064" />
     <PackageVersion Include="Roslynator.Analyzers" Version="1.0.0-beta" />
     <PackageVersion Include="stylecop.analyzers" Version="1.0.0-alpha001" />
-    <PackageVersion Include="System.Reactive" Version="5.0.0" />
+    <PackageVersion Include="System.Reactive" Version="6.0.0" />
     <PackageVersion Include="xunit.runner.console" Version="$(XUnitVersion)" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="0.99.2-build2552" />
   </ItemGroup>