diff --git a/package.json b/package.json
index 5e6be0d..45c6d01 100644
--- a/package.json
+++ b/package.json
@@ -28,14 +28,14 @@
     "test": "grunt nodeunit"
   },
   "dependencies": {
-    "lodash": "~2.4.1",
-    "js-yaml": "~3.0.1"
+    "lodash": "~4.17.2",
+    "js-yaml": "~3.7.0"
   },
   "devDependencies": {
-    "grunt-contrib-jshint": "~0.8.0",
-    "grunt-contrib-nodeunit": "~0.3.0",
-    "grunt-contrib-watch": "~0.5.3",
-    "grunt": "~0.4.2"
+    "grunt-contrib-jshint": "~1.0.0",
+    "grunt-contrib-nodeunit": "~1.0.0",
+    "grunt-contrib-watch": "~1.0.0",
+    "grunt": "~1.0.1"
   },
   "keywords": [
     "replace",