diff --git a/package.json b/package.json
index 14992868..6c615010 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "bcoin",
     "bitcoin",
     "blockchain",
+    "cryptocurrency",
     "wallet"
   ],
   "engines": {
@@ -33,21 +34,20 @@
     "socket.io-client": "2.0.1"
   },
   "devDependencies": {
-    "babelify": "7.3.0",
-    "babel-preset-es2015": "6.24.1",
-    "babel-polyfill": "6.23.0",
-    "babel-plugin-transform-runtime": "6.23.0",
-    "babel-plugin-transform-regenerator": "6.24.1",
-    "browserify": "14.3.0",
-    "hash.js": "1.0.3",
-    "jsdoc": "3.4.3",
-    "jshint": "2.9.4",
-    "level-js": "2.2.4",
-    "mocha": "3.4.1",
-    "uglify-js": "3.0.5"
+    "babelify": "^7.3.0",
+    "babel-preset-es2015": "^6.24.1",
+    "babel-polyfill": "^6.23.0",
+    "babel-plugin-transform-runtime": "^6.23.0",
+    "babel-plugin-transform-regenerator": "^6.24.1",
+    "browserify": "^14.3.0",
+    "hash.js": "^1.0.3",
+    "jsdoc": "^3.4.3",
+    "jshint": "^2.9.4",
+    "level-js": "^2.2.4",
+    "mocha": "^3.4.1",
+    "uglify-js": "^3.0.5"
   },
   "main": "./lib/bcoin.js",
-  "preferGlobal": true,
   "bin": {
     "bcoin-node": "./bin/node",
     "bcoin-spvnode": "./bin/spvnode",