diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Components/SkeletonRenderSeparator/SkeletonRenderSeparator.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/Components/SkeletonRenderSeparator/SkeletonRenderSeparator.cs
index 77e33cd2d..060d5532e 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Components/SkeletonRenderSeparator/SkeletonRenderSeparator.cs
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Components/SkeletonRenderSeparator/SkeletonRenderSeparator.cs
@@ -212,6 +212,7 @@ namespace Spine.Unity {
 		}
 
 		public void UpdateVisibility () {
+			if (skeletonRenderer == null) return;
 			foreach (SkeletonPartsRenderer partsRenderer in partsRenderers) {
 				if (partsRenderer == null) continue;
 
diff --git a/spine-unity/Assets/Spine/package.json b/spine-unity/Assets/Spine/package.json
index 025414711..6f5192b2e 100644
--- a/spine-unity/Assets/Spine/package.json
+++ b/spine-unity/Assets/Spine/package.json
@@ -2,7 +2,7 @@
 	"name": "com.esotericsoftware.spine.spine-unity",
 	"displayName": "spine-unity Runtime",
 	"description": "This plugin provides the spine-unity runtime core.",
-	"version": "4.2.101",
+	"version": "4.2.102",
 	"unity": "2018.3",
 	"author": {
 		"name": "Esoteric Software",