diff --git a/package.json b/package.json
index 0c63dd2a..14992868 100644
--- a/package.json
+++ b/package.json
@@ -23,28 +23,28 @@
   },
   "dependencies": {
     "bn.js": "4.11.6",
-    "elliptic": "6.3.2"
+    "elliptic": "6.4.0"
   },
   "optionalDependencies": {
     "bcoin-native": "0.0.16",
     "leveldown": "1.7.0-0",
     "secp256k1": "3.2.5",
-    "socket.io": "1.7.3",
-    "socket.io-client": "1.7.3"
+    "socket.io": "2.0.1",
+    "socket.io-client": "2.0.1"
   },
   "devDependencies": {
     "babelify": "7.3.0",
-    "babel-preset-es2015": "6.14.0",
-    "babel-polyfill": "6.13.0",
-    "babel-plugin-transform-runtime": "6.12.0",
-    "babel-plugin-transform-regenerator": "6.14.0",
-    "browserify": "13.1.0",
+    "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": "3.4.0",
+    "jsdoc": "3.4.3",
     "jshint": "2.9.4",
     "level-js": "2.2.4",
-    "mocha": "3.0.2",
-    "uglify-js": "2.7.3"
+    "mocha": "3.4.1",
+    "uglify-js": "3.0.5"
   },
   "main": "./lib/bcoin.js",
   "preferGlobal": true,