diff --git a/package.json b/package.json
index 3916ed5..fd3992b 100644
--- a/package.json
+++ b/package.json
@@ -27,23 +27,23 @@
     "commander": "^2.9.0"
   },
   "devDependencies": {
-    "babel-core": "^6.4.5",
+    "babel-core": "^6.14.0",
     "babel-eslint": "^6.1.2",
-    "babel-preset-es2015": "^6.3.13",
-    "chai": "^3.4.1",
+    "babel-preset-es2015": "^6.14.0",
+    "chai": "^3.5.0",
     "cheerio": "^0.22.0",
-    "coveralls": "^2.11.6",
-    "esdoc": "^0.4.3",
+    "coveralls": "^2.11.12",
+    "esdoc": "^0.4.8",
     "esdoc-importpath-plugin": "0.0.1",
     "eslint": "^3.4.0",
-    "gulp": "^3.9.0",
-    "gulp-babel": "^6.1.1",
+    "gulp": "^3.9.1",
+    "gulp-babel": "^6.1.2",
     "gulp-eslint": "^3.0.1",
     "gulp-istanbul": "^1.1.1",
     "gulp-mocha": "^3.0.1",
     "gulp-rimraf": "^0.2.0",
     "gulp-sourcemaps": "^1.6.0",
-    "gulp-watch": "^4.3.5",
+    "gulp-watch": "^4.3.9",
     "isparta": "^4.0.0",
     "matcha": "^0.7.0"
   },
@@ -100,4 +100,4 @@
     "variance (stable)",
     "variance"
   ]
-}
+}
\ No newline at end of file