diff --git a/package.json b/package.json
index 952baeb..14bdd28 100644
--- a/package.json
+++ b/package.json
@@ -20,36 +20,36 @@
     "rigid body physics"
   ],
   "devDependencies": {
-    "browserify": "^12.0.1",
-    "browserify-shim": "^3.8.12",
-    "cheerio": "^0.19.0",
-    "connect-livereload": "^0.5.4",
+    "browserify": "^14.0.0",
+    "browserify-shim": "^3.8.13",
+    "cheerio": "^0.22.0",
+    "connect-livereload": "^0.6.0",
     "event-stream": "^3.3.2",
-    "fast-json-patch": "^0.5.4",
+    "fast-json-patch": "^1.1.4",
     "gulp": "^3.9.0",
-    "gulp-bump": "^1.0.0",
+    "gulp-bump": "^2.6.1",
     "gulp-clone": "^1.0.0",
     "gulp-concat": "^2.6.0",
-    "gulp-conventional-changelog": "^0.7.0",
+    "gulp-conventional-changelog": "^1.1.0",
     "gulp-derequire": "^2.1.0",
-    "gulp-eslint": "^1.0.0",
-    "gulp-github-release": "^1.1.0",
+    "gulp-eslint": "^3.0.1",
+    "gulp-github-release": "^1.2.1",
     "gulp-header": "^1.7.1",
     "gulp-preprocess": "^2.0.0",
     "gulp-rename": "^1.2.2",
     "gulp-replace": "^0.5.4",
     "gulp-tag-version": "^1.3.0",
-    "gulp-uglify": "^1.4.2",
-    "gulp-util": "^3.0.7",
-    "gulp-webdriver": "^1.0.1",
+    "gulp-uglify": "^2.0.1",
+    "gulp-util": "^3.0.8",
+    "gulp-webdriver": "^2.0.3",
     "gulp-webserver": "^0.9.1",
     "mkdirp": "^0.5.1",
     "rimraf": "^2.4.2",
     "run-sequence": "^1.1.4",
-    "through2": "^2.0.0",
+    "through2": "^2.0.3",
     "vinyl-transform": "^1.0.0",
-    "watchify": "^3.6.1",
-    "yuidocjs": "^0.9.0"
+    "watchify": "^3.9.0",
+    "yuidocjs": "^0.10.2"
   },
   "scripts": {
     "test": "gulp build:dev && gulp lint"