diff --git a/package.json b/package.json
index 08d3df5c..96439754 100644
--- a/package.json
+++ b/package.json
@@ -98,8 +98,8 @@
         "c9.ide.newresource": "#981a408a7b",
         "c9.ide.openfiles": "#2ae85a9e33",
         "c9.ide.preview": "#70bd68740c",
-        "c9.ide.preview.browser": "#78aeeeccf1",
-        "c9.ide.preview.markdown": "#bc846e1562",
+        "c9.ide.preview.browser": "#64fb97b7f7",
+        "c9.ide.preview.markdown": "#c3174d86e0",
         "c9.ide.pubsub": "#a85fb27eca",
         "c9.ide.readonly": "#719881e192",
         "c9.ide.recentfiles": "#7c099abf40",