diff --git a/src/ProSol.Html.csproj b/src/ProSol.Html.csproj
index 7a366fc..8ac7a03 100644
--- a/src/ProSol.Html.csproj
+++ b/src/ProSol.Html.csproj
@@ -8,8 +8,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="ProSol.Messaging" Version="3.0.0" />
-    <PackageReference Include="ProSol.Messaging.Subscriptions" Version="1.0.0-rc.5" />
+    <PackageReference Include="ProSol.Messaging" Version="4.0.0-rc.1" />
+    <PackageReference Include="ProSol.Messaging.Subscriptions" Version="1.0.0-rc.6" />
   </ItemGroup>
 
 </Project>
diff --git a/src/TagsProvider.cs b/src/TagsProvider.cs
index 952962f..580eb69 100644
--- a/src/TagsProvider.cs
+++ b/src/TagsProvider.cs
@@ -15,7 +15,7 @@ namespace ProSol.Html;
 public class TagsProvider : IPublisher<TagsProviderMessage>
 {
     readonly HistoryTracker historyTracker = new();
-    readonly PipelinePublisher<TagsProviderMessage> publisher = new();
+    readonly PipelineMessagePublisher<TagsProviderMessage> publisher = new();
 
     public void Process(ReadOnlySpan<char> html)
     {
@@ -31,7 +31,7 @@ public class TagsProvider : IPublisher<TagsProviderMessage>
         publisher.Complete();
     }
 
-    public Unsubscriber<TagsProviderMessage> Subscribe(ISubscriber<TagsProviderMessage> observer)
+    public IDisposable Subscribe(ISubscriber<TagsProviderMessage> observer)
         => publisher.Subscribe(observer);
 
     public IDisposable Subscribe(ISubscriber<TagsProviderMessage> observer, params string[] tagNames)
diff --git a/src/package.nuspec b/src/package.nuspec
index fc917e4..c3d320e 100644
--- a/src/package.nuspec
+++ b/src/package.nuspec
@@ -3,7 +3,7 @@
   <metadata>
     <id>ProSol.Html.TagsProvider</id>
     <title>ProSol.Html.TagsProvider</title>
-    <version>2.0.0-rc0.4</version>
+    <version>2.0.0-rc0.5</version>
     <authors>Alex Kozachenko</authors>
     <owners>Alex Kozachenko</owners>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>