diff --git a/package.json b/package.json
index 398af31..70d637f 100644
--- a/package.json
+++ b/package.json
@@ -47,8 +47,8 @@
     "gulp-rename": "^1.2.0",
     "gulp-sourcemaps": "^0.4.1",
     "gulp-streamify": "0.0.5",
-    "gulp-uglify": "^0.3.1",
-    "gulp-uncss": "^0.5.1",
+    "gulp-uglify": "^2.1.0",
+    "gulp-uncss": "^1.0.6",
     "gulp-util": "^2.2.14",
     "hogan.js": "^3.0.2",
     "inherits": "^2.0.1",
@@ -56,7 +56,7 @@
     "kbpgp": "^2.0.46",
     "less-plugin-autoprefix": "^1.4.0",
     "lodash": "^2.4.1",
-    "mailgun-js": "^0.6.7",
+    "mailgun-js": "^0.22.0",
     "mold-source-map": "^0.3.0",
     "moment": "^2.10.2",
     "node-pgp-search": "0.1.7",
@@ -68,7 +68,7 @@
     "underscore": "^1.7.0",
     "vinyl-buffer": "^1.0.0",
     "vinyl-source-stream": "^0.1.1",
-    "watchify": "^0.6.2",
+    "watchify": "^2.4.0",
     "winston": "^2.2.0"
   },
   "devDependencies": {