diff --git a/package.json b/package.json
index f8c1708..1e00901 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gcode-toolpath",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "G-code Toolpath Generator",
   "author": "Cheton Wu <cheton@gmail.com>",
   "homepage": "https://github.com/cncjs/gcode-toolpath",
@@ -25,25 +25,25 @@
   },
   "main": "lib/index.js",
   "dependencies": {
-    "gcode-interpreter": "^2.0.1"
+    "gcode-interpreter": "^2.0.2"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",
-    "babel-eslint": "^8.0.1",
+    "babel-eslint": "^8.0.3",
     "babel-plugin-istanbul": "^4.1.5",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-stage-0": "^6.24.1",
     "babel-register": "^6.26.0",
     "chai": "^4.1.2",
     "coveralls": "^3.0.0",
-    "cross-env": "^5.0.5",
-    "eslint": "^4.8.0",
-    "eslint-config-trendmicro": "^1.0.0",
-    "eslint-plugin-import": "^2.7.0",
-    "eslint-plugin-jsx-a11y": "^5.1.1",
-    "eslint-plugin-react": "^7.4.0",
-    "mocha": "^3.5.3",
-    "nyc": "^11.2.1"
+    "cross-env": "^5.1.3",
+    "eslint": "^4.14.0",
+    "eslint-config-trendmicro": "^1.2.0",
+    "eslint-plugin-import": "^2.8.0",
+    "eslint-plugin-jsx-a11y": "^6.0.3",
+    "eslint-plugin-react": "^7.5.1",
+    "mocha": "^4.0.1",
+    "nyc": "^11.4.1"
   },
   "nyc": {
     "require": [