diff --git a/package.json b/package.json
index 1d01d4d..22a7f3b 100644
--- a/package.json
+++ b/package.json
@@ -58,6 +58,8 @@
     "browserify": "~3.32.1",
     "browser-pack": "~2.0.1",
     "commander": "~2.1.0",
+    "browserify-bignum": "git://github.com/maraoz/browserify-bignum.git",
+    "browserify-buffertools": "~1.0.2",
     "brfs": "~1.0.0"
   },
   "devDependencies": {
@@ -67,8 +69,6 @@
     "grunt-browserify": "~2.0.0",
     "grunt-markdown": "~0.5.0",
     "mocha": ">=1.15.1",
-    "browserify-bignum": "git://github.com/maraoz/browserify-bignum.git",
-    "browserify-buffertools": "~1.0.2",
     "chai": "~1.9.0",
     "brfs": "~1.0.0",
     "async": "~0.2.10",