diff --git a/package.json b/package.json
index 48e36cb3..db8069cc 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "dependencies": {
         "async"      : "~0.2.6",
         "source-map" : "~0.1.7",
-        "optimist"   : "~0.3.5"
+        "optimist"   : "~0.3.5",
     },
     "bin": {
         "uglifyjs" : "bin/uglifyjs"