diff --git a/src/ReactiveMarbles.PlatformSchedulers/ReactiveMarbles.PlatformSchedulers.csproj b/src/ReactiveMarbles.PlatformSchedulers/ReactiveMarbles.PlatformSchedulers.csproj
index 624bd36..f034b77 100644
--- a/src/ReactiveMarbles.PlatformSchedulers/ReactiveMarbles.PlatformSchedulers.csproj
+++ b/src/ReactiveMarbles.PlatformSchedulers/ReactiveMarbles.PlatformSchedulers.csproj
@@ -14,7 +14,7 @@
   <ItemGroup>
     <Compile Remove="Platforms\**\*.cs" />
     <None Include="Platforms\**\*.cs" />
-    <PackageReference Include="System.Reactive" Version="6.0.1" />
+    <PackageReference Include="System.Reactive" Version="6.1.0" />
   </ItemGroup>
   
   <ItemGroup Condition=" $(TargetFramework.StartsWith('Xamarin.iOS')) ">