diff --git a/Tests/Runtime/PasserVR.HumanoidControl.RuntimeTests.asmdef b/Tests/Runtime/PasserVR.HumanoidControl.RuntimeTests.asmdef
index fed5834..ebcc933 100644
--- a/Tests/Runtime/PasserVR.HumanoidControl.RuntimeTests.asmdef
+++ b/Tests/Runtime/PasserVR.HumanoidControl.RuntimeTests.asmdef
@@ -4,6 +4,9 @@
         "GUID:27619889b8ba8c24980f49ee34dbb44a",
         "GUID:8199e51a8a1df504ca80f382ca6f3501"
     ],
+	"optionalUnityReferences": [
+		"TestAssemblies"
+	],
     "includePlatforms": [],
     "excludePlatforms": [],
     "allowUnsafeCode": false,