Update dependencies

package.json

@@ -1,19 +1,19 @@
 {
   "name": "node-ckbuilder",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Node.js builder for CKEditor",
   "main": "src/ckbuilder.js",
   "directories": {
     "doc": "docs",
     "test": "test"
   },
   "dependencies": {
-    "adm-zip": "0.4.11",
-    "archiver": "1.0.0",
-    "eslint": "4.18.2",
-    "fs-extra": "0.30.0",
-    "uglify-js": "2.6.2",
-    "yargs": "4.7.0"
+    "adm-zip": "0.4.14",
+    "archiver": "4.0.1",
+    "eslint": "6.8.0",
+    "fs-extra": "9.0.0",
+    "uglify-js": "3.9.1",
+    "yargs": "15.3.1"
   },
   "scripts": {
     "inspect": "jshint -c dev/jshint/.jshintrc --show-non-errors src/*.js src/*/*.js",
@@ -33,6 +33,6 @@
     "js-md5": "0.4.1"
   },
   "optionalDependencies": {
-    "canvas": "1.3.15"
+    "canvas": "2.6.1"
   }
-}
+}