diff --git a/package.json b/package.json
index 8aac49e..8d3329c 100644
--- a/package.json
+++ b/package.json
@@ -41,12 +41,12 @@
     "gulp-jade": "1.1.0",
     "gulp-jasmine": "2.4.2",
     "gulp-jshint": "2.0.4",
-    "gulp-less": "3.3.0",
+    "gulp-less": "4.0.0",
     "gulp-mocha": "3.0.1",
     "gulp-plumber": "^1.1.0",
     "gulp-rename": "1.2.2",
     "gulp-strip-debug": "1.1.0",
-    "gulp-uglify": "2.0.1",
+    "gulp-uglify": "3.0.0",
     "jshint": "2.9.4",
     "lodash": "^4.17.2",
     "moment": "2.19.3",