diff --git a/HighlightPlus/HighlightPlus/Runtime/Scripts/HighlightPlus.asmdef b/HighlightPlus/HighlightPlus/Runtime/Scripts/HighlightPlus.asmdef
index 9093640..4b2be22 100644
--- a/HighlightPlus/HighlightPlus/Runtime/Scripts/HighlightPlus.asmdef
+++ b/HighlightPlus/HighlightPlus/Runtime/Scripts/HighlightPlus.asmdef
@@ -4,7 +4,8 @@
   "references": [
     "Unity.TextMeshPro",
     "Unity.RenderPipelines.Universal.Runtime",
-    "Unity.RenderPipelines.Core.Runtime"
+    "Unity.RenderPipelines.Core.Runtime",
+    "Unity.InputSystem"
   ],
   "includePlatforms": [],
   "excludePlatforms": [],