updates dependencies

package.json

@@ -37,29 +37,29 @@
   },
   "homepage": "https://github.com/bitpay/bitcore-build",
   "dependencies": {
-    "brfs": "^1.2.0",
-    "browserify": "~13.1.0",
-    "chai": "~1.10.0",
-    "gulp": "^3.8.10",
-    "gulp-bump": "^0.1.11",
-    "gulp-coveralls": "^0.1.3",
-    "gulp-git": "^0.5.5",
-    "gulp-jshint": "^1.9.0",
-    "gulp-mocha": "^2.0.0",
-    "gulp-rename": "^1.2.0",
-    "gulp-shell": "^0.2.10",
-    "gulp-uglify": "^1.0.2",
-    "gulp-util": "=3.0.1",
-    "istanbul": "^0.3.5",
-    "karma": "^0.12.28",
-    "karma-chrome-launcher": "^0.1.8",
-    "karma-detect-browsers": "^2.0.0",
-    "karma-firefox-launcher": "^0.1.4",
-    "karma-mocha": "^0.1.9",
-    "lodash": "^2.4.1",
-    "mocha": "^2.0.1",
-    "plato": "^1.3.0",
-    "run-sequence": "^1.0.2",
-    "zuul": "1.16.3"
+    "brfs": "^1.4.3",
+    "browserify": "^13.1.1",
+    "chai": "^3.5.0",
+    "gulp": "^3.9.1",
+    "gulp-bump": "^2.7.0",
+    "gulp-coveralls": "^0.1.4",
+    "gulp-git": "^2.0.1",
+    "gulp-jshint": "^2.0.4",
+    "gulp-mocha": "^4.1.0",
+    "gulp-rename": "^1.2.2",
+    "gulp-shell": "^0.6.3",
+    "gulp-uglify": "^2.1.0",
+    "gulp-util": "^3.0.8",
+    "istanbul": "^0.4.5",
+    "karma": "^1.5.0",
+    "karma-chrome-launcher": "^2.0.0",
+    "karma-detect-browsers": "^2.2.4",
+    "karma-firefox-launcher": "^1.0.1",
+    "karma-mocha": "^1.3.0",
+    "lodash": "^4.17.4",
+    "mocha": "^3.2.0",
+    "plato": "^1.7.0",
+    "run-sequence": "^1.2.2",
+    "zuul": "^3.11.1"
   }
 }