diff --git a/index.html b/index.html
index b94fe8c2..7a0efdb4 100644
--- a/index.html
+++ b/index.html
@@ -27,26 +27,26 @@
     <script src="src/FileSaver.min.js?version=2019-06-27"></script>
 
     <!-- three.js -->
-		<script type="text/javascript" src="stitchcode/three-newer/three.js"></script>
-		<script type="text/javascript" src="stitchcode/threee/CanvasRenderer.js"></script>
-		<script type="text/javascript" src="stitchcode/threee/THREE.MeshLine.js"></script>
-		<script type="text/javascript" src="stitchcode/threee/OrbitControls.old.js"></script>
-		<script type="text/javascript" src="stitchcode/threee/Detector.js"></script>
+		<script type="text/javascript" src="stitchcode/three-newer/three.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/threee/CanvasRenderer.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/threee/THREE.MeshLine.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/threee/OrbitControls.old.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/threee/Detector.js?version=2021-12-14"></script>
     <!--<script type="text/javascript" src="stitchcode/three-124/LegacyJSONLoader.js"></script>-->
 
     <script type="text/javascript" src="stitchcode/assets/turtle.js"></script>
     <script type="text/javascript" src="stitchcode/fonts/simplex.js"></script>
 
 		<!-- turtlestitch additions -->
-		<script type="text/javascript" src="stitchcode/turtleShepherd.js"></script>
-		<script type="text/javascript" src="stitchcode/morphic.js"></script>
-    <script type="text/javascript" src="stitchcode/symbols.js"></script>
-		<script type="text/javascript" src="stitchcode/blocks.js"></script>
-		<script type="text/javascript" src="stitchcode/threads.js"></script>
-		<script type="text/javascript" src="stitchcode/objects.js"></script>
-		<script type="text/javascript" src="stitchcode/turtlecloud.js"></script>
-		<script type="text/javascript" src="stitchcode/gui.js"></script>
-		<script type="text/javascript" src="stitchcode/store.js"></script>
+		<script type="text/javascript" src="stitchcode/turtleShepherd.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/morphic.js?version=2021-12-14"></script>
+    <script type="text/javascript" src="stitchcode/symbols.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/blocks.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/threads.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/objects.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/turtlecloud.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/gui.js?version=2021-12-14"></script>
+		<script type="text/javascript" src="stitchcode/store.js?version=2021-12-14"></script>
 
     <script type="text/javascript">
       var world;