diff --git a/demos/blockfactory/index.html b/demos/blockfactory/index.html
index c72efb7fa..77687bce1 100644
--- a/demos/blockfactory/index.html
+++ b/demos/blockfactory/index.html
@@ -4,10 +4,10 @@
   <meta charset="utf-8">
   <meta name="viewport" content="target-densitydpi=device-dpi, height=660, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
   <title>Blockly Demo: Blockly Developer Tools</title>
-  <script src="../../dist/blockly_compressed.js"></script>
-  <script src="../../dist/blocks_compressed.js"></script>
-  <script src="../../dist/javascript_compressed.js"></script>
-  <script src="../../build/msg/en.js"></script>
+  <script src="https://unpkg.com/blockly@10.4.3/blockly_compressed.js"></script>
+  <script src="https://unpkg.com/blockly@10.4.3/blocks_compressed.js"></script>
+  <script src="https://unpkg.com/blockly@10.4.3/javascript_compressed.js"></script>
+  <script src="https://unpkg.com/blockly@10.4.3/msg/en.js"></script>
   <script src="analytics.js"></script>
   <script src="block_definition_extractor.js"></script>
   <script src="factory_utils.js"></script>