diff --git a/package.json b/package.json
index 9d2307fd..ff93111c 100644
--- a/package.json
+++ b/package.json
@@ -59,6 +59,7 @@
     ],
     "c9plugins": {
         "c9.ide.language": "#79bcb2fe06",
+        "c9.ide.language.core": "#undefined",
         "c9.ide.language.css": "#be07d72209",
         "c9.ide.language.generic": "#3949510863",
         "c9.ide.language.html": "#22fdc74869",
@@ -75,7 +76,7 @@
         "c9.ide.find": "#e33fbaed2f",
         "c9.ide.find.infiles": "#bd34c29373",
         "c9.ide.find.replace": "#810ebf8bfb",
-        "c9.ide.run.debug": "#317feee072",
+        "c9.ide.run.debug": "#a33603ad5a",
         "c9.automate": "#47e2c429c9",
         "c9.ide.ace.emmet": "#6dc4585e02",
         "c9.ide.ace.gotoline": "#a8ff07c8f4",