diff --git a/01_Code/physical_computing_interface/probabilisticProjections/index.html b/01_Code/physical_computing_interface/probabilisticProjections/index.html
index f2c6a12305faf329d3f590066ea5b0766c63bde8..fa2c3af17e3c4c45e5b7155f4d986f02c7b33c72 100644
--- a/01_Code/physical_computing_interface/probabilisticProjections/index.html
+++ b/01_Code/physical_computing_interface/probabilisticProjections/index.html
@@ -71,14 +71,14 @@
 
 <script src="../lib/cytoscape.min.js"></script>
 <script src="../lib/cytoscape-cxtmenu.js"></script>
-<script src="http://unpkg.com/layout-base/layout-base.js"></script>
-<script src="http://unpkg.com/cose-base/cose-base.js"></script>
-<script src="http://unpkg.com/cytoscape-cose-bilkent/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="../lib/cytoscape-expand-collapse.js"></script>
 
 
 <script src="//s3-us-west-2.amazonaws.com/cdn.webppl.org/webppl-v0.9.7.js"></script>
-<script src="http://cdn.webppl.org/webppl-editor-9116fba.js"></script>
+<script src="https://cdn.webppl.org/webppl-editor-9116fba.js"></script>
         
 <script src="../lib/webppl-viz.js"></script>
 <script src="../lib/jquery.js"></script>