diff --git a/testlibs/bundle-sfx.sh b/testlibs/bundle-sfx.sh
index 4a34889b6..e68140c36 100755
--- a/testlibs/bundle-sfx.sh
+++ b/testlibs/bundle-sfx.sh
@@ -1,2 +1,2 @@
 jspm bundle-sfx main + voxel-demo -mi
-open test-sfx.html
+http-server
diff --git a/testlibs/config.js b/testlibs/config.js
index 04eb9334b..fcf8ec143 100644
--- a/testlibs/config.js
+++ b/testlibs/config.js
@@ -15,10 +15,10 @@ System.config({
 System.config({
   "map": {
     "angular": "github:angular/bower-angular@1.3.15",
-    "babel": "npm:babel-core@5.1.11",
-    "babel-runtime": "npm:babel-runtime@5.1.11",
+    "babel": "npm:babel-core@5.1.13",
+    "babel-runtime": "npm:babel-runtime@5.1.13",
     "bootstrap": "github:twbs/bootstrap@3.3.4",
-    "core-js": "npm:core-js@0.8.4",
+    "core-js": "npm:core-js@0.9.4",
     "css": "github:systemjs/plugin-css@0.1.10",
     "d3": "github:mbostock/d3@3.5.5",
     "jquery": "github:components/jquery@2.1.3",
@@ -132,6 +132,9 @@ System.config({
     "npm:core-js@0.8.4": {
       "process": "github:jspm/nodelibs-process@0.1.1"
     },
+    "npm:core-js@0.9.4": {
+      "process": "github:jspm/nodelibs-process@0.1.1"
+    },
     "npm:core-util-is@1.0.1": {
       "buffer": "github:jspm/nodelibs-buffer@0.1.0"
     },
diff --git a/testlibs/package.json b/testlibs/package.json
index 56494dd17..e5ec26cef 100644
--- a/testlibs/package.json
+++ b/testlibs/package.json
@@ -11,9 +11,9 @@
     "voxel-demo": "npm:voxel-demo@^0.0.1"
   },
   "devDependencies": {
-    "babel": "npm:babel-core@^5.0.12",
-    "babel-runtime": "npm:babel-runtime@^5.0.12",
-    "core-js": "npm:core-js@^0.8.1",
+    "babel": "npm:babel-core@^5.1.13",
+    "babel-runtime": "npm:babel-runtime@^5.1.13",
+    "core-js": "npm:core-js@^0.9.4",
     "traceur": "jmcriffey/bower-traceur@0.0.87",
     "traceur-runtime": "jmcriffey/bower-traceur-runtime@0.0.87"
   }