diff --git a/src/activities/Elsa.Activities.Startup/Activities/Startup.cs b/src/activities/Elsa.Activities.Startup/Activities/Startup.cs
index 50476e73c..5ccf024d4 100644
--- a/src/activities/Elsa.Activities.Startup/Activities/Startup.cs
+++ b/src/activities/Elsa.Activities.Startup/Activities/Startup.cs
@@ -1,17 +1,11 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
+using Elsa.ActivityResults;
 using Elsa.Attributes;
-using Elsa.Expressions;
-using Elsa.Extensions;
-using Elsa.Results;
 using Elsa.Services;
 using Elsa.Services.Models;
-using NodaTime;
 
 namespace Elsa.Activities.Startup.Activities
 {
-    [ActivityDefinition(
+    [Activity(
         Category = "Startup",
         Description = "Triggers at startup."
     )]
diff --git a/src/activities/Elsa.Activities.Startup/Elsa.Activities.Startup.csproj b/src/activities/Elsa.Activities.Startup/Elsa.Activities.Startup.csproj
index c46b51ab4..f293fa943 100644
--- a/src/activities/Elsa.Activities.Startup/Elsa.Activities.Startup.csproj
+++ b/src/activities/Elsa.Activities.Startup/Elsa.Activities.Startup.csproj
@@ -8,9 +8,9 @@
         <Description>
             Elsa is a set of workflow libraries and tools that enable super-fast workflowing capabilities in any .NET Core application.
             This package provides the following Startup activities:
-            
+
             * Startup
-</Description>
+        </Description>
         <Copyright>2019</Copyright>
         <PackageProjectUrl>https://github.com/elsa-workflows/elsa-core</PackageProjectUrl>
         <RepositoryUrl>https://github.com/elsa-workflows/elsa-core</RepositoryUrl>
@@ -19,11 +19,11 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="3.0.0" />
+        <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="5.0.0"/>
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\..\core\Elsa.Core\Elsa.Core.csproj" />
+        <ProjectReference Include="..\..\core\Elsa.Core\Elsa.Core.csproj"/>
     </ItemGroup>
 
 </Project>