diff --git a/package.json b/package.json
index b4f5cb0..604e2e9 100644
--- a/package.json
+++ b/package.json
@@ -41,12 +41,12 @@
     "core-js": "^2.4.1",
     "cross-env": "^3.1.4",
     "eslint": "^1.10.3",
-    "grunt": "^0.4.5",
+    "grunt": "^1.6.2",
     "grunt-cli": "^0.1.13",
     "grunt-contrib-nodeunit": "^0.4.1",
-    "grunt-karma": "^2.0.0",
+    "grunt-karma": "^4.0.2",
     "isparta-loader": "^2.0.0",
-    "karma": "^1.3.0",
+    "karma": "^6.4.4",
     "karma-chai": "0.1.0",
     "karma-chrome-launcher": "^2.0.0",
     "karma-coverage": "^1.1.1",
@@ -59,7 +59,7 @@
     "karma-webpack": "^1.8.1",
     "lolex": "^1.4.0",
     "mocha": "^2.3.2",
-    "phantomjs": "^1.9.18",
+    "phantomjs": "^2.1.7",
     "sinon": "^1.17.7",
     "sinon-chai": "^2.8.0",
     "webpack": "^2.2.1",