diff --git a/package.json b/package.json
index 9bbe43d..24c6fd3 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "opn": "^4.0.1",
     "require-dir": "^0.3.0",
     "run-sequence": "^1.1.5",
-    "systemjs-builder": "^0.15.13",
+    "systemjs-builder": "^0.16.6",
     "karma": "^0.13.22",
     "karma-phantomjs-launcher": "^1.0.0",
     "phantomjs": "^2.1.3",