diff --git a/AssetDependencyGraph/Editor/AssetDependencyGraph.cs b/AssetDependencyGraph/Editor/AssetDependencyGraph.cs
index 5ac5055..f4cedcd 100644
--- a/AssetDependencyGraph/Editor/AssetDependencyGraph.cs
+++ b/AssetDependencyGraph/Editor/AssetDependencyGraph.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using UnityEditor;
 using UnityEditor.UIElements;
@@ -11,6 +12,7 @@
 using UnityEngine.Experimental.UIElements.StyleEnums;
 #endif
 using UnityEngine;
+using Object = UnityEngine.Object;
 
 public class AssetGraphView : GraphView
 {