diff --git a/Runtime/Scripts/MonoBehaviours/EntityMonoBehaviour.cs b/Runtime/Scripts/MonoBehaviours/EntityMonoBehaviour.cs
index beb5608..6654bb5 100644
--- a/Runtime/Scripts/MonoBehaviours/EntityMonoBehaviour.cs
+++ b/Runtime/Scripts/MonoBehaviours/EntityMonoBehaviour.cs
@@ -48,7 +48,7 @@ protected virtual void Awake() {
 #endif
         }
 
-        public virtual void OnDestroy() {
+        protected virtual void OnDestroy() {
             Instances.Remove(_entity);
         }
 
diff --git a/package.json b/package.json
index ce2647f..b03c4f1 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "com.10101software.dots.hybridsimulation",
   "description": "A framework for using FixedUpdate in a simulation world which is linked to a GameObject-based presentation layer.",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "unity": "2020.1",
   "displayName": "DOTS Hybrid Simulation Worlds",
   "dependencies": {