diff --git a/src/Marco.Caching/Microsoft.Extensions.DependencyInjection/CacheServiceCollectionExtensions.cs b/src/Marco.Caching/Microsoft.Extensions.DependencyInjection/CacheServiceCollectionExtensions.cs
index 3c456da..9a257f0 100644
--- a/src/Marco.Caching/Microsoft.Extensions.DependencyInjection/CacheServiceCollectionExtensions.cs
+++ b/src/Marco.Caching/Microsoft.Extensions.DependencyInjection/CacheServiceCollectionExtensions.cs
@@ -1,8 +1,8 @@
-using Microsoft.Extensions.DependencyInjection;
+using Marco.Caching;
 using System;
 using System.Linq;
 
-namespace Marco.Caching.Microsoft.Extensions.DependencyInjection
+namespace Microsoft.Extensions.DependencyInjection
 {
     public static class CacheServiceCollectionExtensions
     {