diff --git a/gdx-pe-loader/src/main/java/com/codeandweb/physicseditor/PhysicsShapeCache.java b/gdx-pe-loader/src/main/java/com/codeandweb/physicseditor/PhysicsShapeCache.java
index b0c69eb..fcb2d58 100755
--- a/gdx-pe-loader/src/main/java/com/codeandweb/physicseditor/PhysicsShapeCache.java
+++ b/gdx-pe-loader/src/main/java/com/codeandweb/physicseditor/PhysicsShapeCache.java
@@ -10,7 +10,7 @@
 import java.io.IOException;
 
 
-public class PhysicsShapeCache {
+public class PhysicsShapeCache implements Disposable {
 
   private BodyDefNode bodyDefNode;