diff --git a/demo-compounds-collapsed.html b/demo-compounds-collapsed.html
index f2fd0e0..bf82f3b 100644
--- a/demo-compounds-collapsed.html
+++ b/demo-compounds-collapsed.html
@@ -12,7 +12,9 @@
 
 		<!-- for testing with local version of cytoscape.js -->
 		<!--<script src="../cytoscape.js/build/cytoscape.js"></script>-->
-		<script src="https://unpkg.com/cytoscape-cose-bilkent@4.0.0/cytoscape-cose-bilkent.js"></script>
+    <script src="https://unpkg.com/layout-base/layout-base.js"></script>
+    <script src="https://unpkg.com/cose-base/cose-base.js"></script>
+    <script src="https://unpkg.com/cytoscape-cose-bilkent/cytoscape-cose-bilkent.js"></script>
 		<script src="cytoscape-expand-collapse.js"></script>
 
 
diff --git a/demo-undoable.html b/demo-undoable.html
index 1161d03..cc95607 100644
--- a/demo-undoable.html
+++ b/demo-undoable.html
@@ -12,8 +12,10 @@
 
 		<!-- for testing with local version of cytoscape.js -->
 		<!--<script src="../cytoscape.js/build/cytoscape.js"></script>-->
-		<script src="https://cdn.rawgit.com/cytoscape/cytoscape.js-cose-bilkent/2.0.4/cytoscape-cose-bilkent.js"></script>
-		<script src="https://cdn.rawgit.com/ivis-at-bilkent/cytoscape.js-undo-redo/master/cytoscape-undo-redo.js"></script>
+    <script src="https://unpkg.com/layout-base/layout-base.js"></script>
+    <script src="https://unpkg.com/cose-base/cose-base.js"></script>
+    <script src="https://unpkg.com/cytoscape-cose-bilkent/cytoscape-cose-bilkent.js"></script>
+		<script src="https://unpkg.com/cytoscape-undo-redo/cytoscape-undo-redo.js"></script>
 		<script src="cytoscape-expand-collapse.js"></script>
 
 
diff --git a/demo.html b/demo.html
index 34d6a0a..fa753cd 100644
--- a/demo.html
+++ b/demo.html
@@ -12,7 +12,9 @@
 
 		<!-- for testing with local version of cytoscape.js -->
 		<!--<script src="../cytoscape.js/build/cytoscape.js"></script>-->
-		<script src="https://cdn.rawgit.com/cytoscape/cytoscape.js-cose-bilkent/2.0.4/cytoscape-cose-bilkent.js"></script>
+    <script src="https://unpkg.com/layout-base/layout-base.js"></script>
+    <script src="https://unpkg.com/cose-base/cose-base.js"></script>
+    <script src="https://unpkg.com/cytoscape-cose-bilkent/cytoscape-cose-bilkent.js"></script>
 		<script src="cytoscape-expand-collapse.js"></script>