diff --git a/package.json b/package.json
index 7a64a412fe1..8eee58bff43 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,6 @@
     "3d-view": "^2.0.0",
     "alpha-shape": "^1.0.0",
     "arraytools": "^1.0.0",
-    "browserify": "^12.0.1",
     "convex-hull": "^1.0.3",
     "d3": "3.5.6",
     "delaunay-triangulate": "^1.1.6",
@@ -73,14 +72,13 @@
     "robust-orientation": "^1.1.3",
     "sane-topojson": "^1.2.0",
     "superscript-text": "^1.0.0",
-    "through2": "^2.0.0",
     "tinycolor2": "1.1.2",
     "topojson": "^1.6.19",
-    "uglify-js": "^2.5.0",
     "xml2js": "^0.4.15"
   },
   "devDependencies": {
     "brfs": "^1.4.1",
+    "browserify": "^12.0.1",
     "browserify-transform-tools": "^1.5.0",
     "ecstatic": "^1.2.0",
     "jasmine-core": "^2.3.4",
@@ -93,6 +91,8 @@
     "karma-jasmine": "^0.3.6",
     "open": "0.0.5",
     "prettysize": "0.0.3",
-    "watchify": "^3.6.0"
+    "through2": "^2.0.0",
+    "watchify": "^3.6.0",
+    "uglify-js": "^2.5.0"
   }
 }