diff --git a/package.json b/package.json
index 75a4ac1..2f58027 100644
--- a/package.json
+++ b/package.json
@@ -7,15 +7,15 @@
   "homepage": "https://github.com/toddmotto/echo",
   "devDependencies": {
     "gulp": "~3.7.0",
-    "gulp-uglify": "~0.3.0",
+    "gulp-uglify": "~3.0.0",
     "gulp-rename": "~1.1.0",
     "gulp-clean": "^0.2.4",
     "gulp-plumber": "~0.6.2",
     "gulp-header": "^1.0.2",
-    "gulp-jshint": "^1.6.1",
+    "gulp-jshint": "^2.0.2",
     "jshint-stylish": "^0.2.0",
     "gulp-karma": "0.0.4",
-    "karma": "^5.0.0",
+    "karma": "^6.3.5",
     "karma-jasmine": "~0.2.0",
     "karma-phantomjs-launcher": "^0.1.4",
     "karma-spec-reporter": "0.0.13"