diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index b2ccee5..4d1e39b
--- a/package.json
+++ b/package.json
@@ -10,12 +10,12 @@
     "gulp-uglify": "~0.3.0",
     "gulp-rename": "~1.1.0",
     "gulp-clean": "^0.2.4",
-    "gulp-plumber": "~0.6.2",
+    "gulp-plumber": "~1.2.0",
     "gulp-header": "^1.0.2",
     "gulp-jshint": "^1.6.1",
     "jshint-stylish": "^0.2.0",
     "gulp-karma": "0.0.4",
-    "karma": "^0.12.16",
+    "karma": "^4.2.0",
     "karma-jasmine": "~0.2.0",
     "karma-phantomjs-launcher": "^0.1.4",
     "karma-spec-reporter": "0.0.13"