diff --git a/package.json b/package.json
index 398af31..3fab7fb 100644
--- a/package.json
+++ b/package.json
@@ -48,15 +48,15 @@
     "gulp-sourcemaps": "^0.4.1",
     "gulp-streamify": "0.0.5",
     "gulp-uglify": "^0.3.1",
-    "gulp-uncss": "^0.5.1",
-    "gulp-util": "^2.2.14",
+    "gulp-uncss": "^1.0.6",
+    "gulp-util": "^3.0.8",
     "hogan.js": "^3.0.2",
     "inherits": "^2.0.1",
     "jquery": "^2.1.1",
     "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",