diff --git a/composer.json b/composer.json
index 339211f6f0..2f12d076d4 100644
--- a/composer.json
+++ b/composer.json
@@ -14,6 +14,8 @@
 	},
 	"require": {
 		"php": ">=5.6.1",
+		"ext-dom": "*",
+		"ext-json": "*",
 		"ext-xml": "*",
 		"asika/simple-console": "^1.0",
 		"divineomega/password_exposed": "^2.4",
diff --git a/composer.lock b/composer.lock
index 16b9e50b52..d0ce1c4e72 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ee7a6d8a1a9df21b46478dd91c1b73b7",
+    "content-hash": "11efc727fd6cae00c1230616e31ad2a2",
     "packages": [
         {
             "name": "asika/simple-console",
@@ -1019,22 +1019,6 @@
             "require": {
                 "npm-asset/ev-emitter": ">=1.0.0,<2.0.0"
             },
-            "require-dev": {
-                "npm-asset/chalk": ">=1.1.1,<2.0.0",
-                "npm-asset/cheerio": ">=0.19.0,<0.20.0",
-                "npm-asset/gulp": ">=3.9.0,<4.0.0",
-                "npm-asset/gulp-jshint": ">=1.11.2,<2.0.0",
-                "npm-asset/gulp-json-lint": ">=0.1.0,<0.2.0",
-                "npm-asset/gulp-rename": ">=1.2.2,<2.0.0",
-                "npm-asset/gulp-replace": ">=0.5.4,<0.6.0",
-                "npm-asset/gulp-requirejs-optimize": "dev-github:metafizzy/gulp-requirejs-optimize",
-                "npm-asset/gulp-uglify": ">=1.4.2,<2.0.0",
-                "npm-asset/gulp-util": ">=3.0.7,<4.0.0",
-                "npm-asset/highlight.js": ">=8.9.1,<9.0.0",
-                "npm-asset/marked": ">=0.3.5,<0.4.0",
-                "npm-asset/minimist": ">=1.2.0,<2.0.0",
-                "npm-asset/transfob": ">=1.0.0,<2.0.0"
-            },
             "type": "npm-asset-library",
             "extra": {
                 "npm-asset-bugs": {
@@ -1080,14 +1064,6 @@
                 "reference": null,
                 "shasum": "2736e332aaee73ccf0a14a5f0066391a0a13f4a3"
             },
-            "require-dev": {
-                "npm-asset/grunt": "~0.4.2",
-                "npm-asset/grunt-contrib-cssmin": "~0.9.0",
-                "npm-asset/grunt-contrib-jshint": "~0.6.3",
-                "npm-asset/grunt-contrib-less": "~0.11.0",
-                "npm-asset/grunt-contrib-uglify": "~0.4.0",
-                "npm-asset/grunt-contrib-watch": "~0.6.1"
-            },
             "type": "npm-asset-library",
             "extra": {
                 "npm-asset-bugs": {
@@ -1121,32 +1097,6 @@
                 "reference": null,
                 "shasum": "2c89d6889b5eac522a7eea32c14521559c6cbf02"
             },
-            "require-dev": {
-                "npm-asset/commitplease": "2.0.0",
-                "npm-asset/core-js": "0.9.17",
-                "npm-asset/grunt": "0.4.5",
-                "npm-asset/grunt-babel": "5.0.1",
-                "npm-asset/grunt-cli": "0.1.13",
-                "npm-asset/grunt-compare-size": "0.4.0",
-                "npm-asset/grunt-contrib-jshint": "0.11.2",
-                "npm-asset/grunt-contrib-uglify": "0.9.2",
-                "npm-asset/grunt-contrib-watch": "0.6.1",
-                "npm-asset/grunt-git-authors": "2.0.1",
-                "npm-asset/grunt-jscs": "2.1.0",
-                "npm-asset/grunt-jsonlint": "1.0.4",
-                "npm-asset/grunt-npmcopy": "0.1.0",
-                "npm-asset/gzip-js": "0.3.2",
-                "npm-asset/jsdom": "5.6.1",
-                "npm-asset/load-grunt-tasks": "1.0.0",
-                "npm-asset/qunit-assert-step": "1.0.3",
-                "npm-asset/qunitjs": "1.17.1",
-                "npm-asset/requirejs": "2.1.17",
-                "npm-asset/sinon": "1.10.3",
-                "npm-asset/sizzle": "2.2.1",
-                "npm-asset/strip-json-comments": "1.0.3",
-                "npm-asset/testswarm": "1.1.0",
-                "npm-asset/win-spawn": "2.0.0"
-            },
             "type": "npm-asset-library",
             "extra": {
                 "npm-asset-bugs": {
@@ -1244,6 +1194,18 @@
                 "npm-asset/jquery-mousewheel": ">=3.1.13",
                 "npm-asset/php-date-formatter": ">=1.3.4,<2.0.0"
             },
+            "require-dev": {
+                "npm-asset/chai": ">=4.1.2,<5.0.0",
+                "npm-asset/concat": "dev-github:azer/concat",
+                "npm-asset/concat-cli": ">=4.0.0,<5.0.0",
+                "npm-asset/karma": ">=2.0.0,<3.0.0",
+                "npm-asset/karma-chai": ">=0.1.0,<0.2.0",
+                "npm-asset/karma-firefox-launcher": ">=1.1.0,<2.0.0",
+                "npm-asset/karma-mocha": ">=1.3.0,<2.0.0",
+                "npm-asset/mocha": ">=5.0.4,<6.0.0",
+                "npm-asset/uglifycss": ">=0.0.27,<0.0.28",
+                "npm-asset/uglifyjs": ">=2.4.10,<3.0.0"
+            },
             "type": "npm-asset-library",
             "extra": {
                 "npm-asset-bugs": {
@@ -1297,12 +1259,6 @@
                 "reference": null,
                 "shasum": "06f0335f16e353a695e7206bf50503cb523a6ee5"
             },
-            "require-dev": {
-                "npm-asset/grunt": "~0.4.1",
-                "npm-asset/grunt-contrib-connect": "~0.5.0",
-                "npm-asset/grunt-contrib-jshint": "~0.7.1",
-                "npm-asset/grunt-contrib-uglify": "~0.2.7"
-            },
             "type": "npm-asset-library",
             "extra": {
                 "npm-asset-bugs": {
@@ -3607,6 +3563,8 @@
     "prefer-lowest": false,
     "platform": {
         "php": ">=5.6.1",
+        "ext-dom": "*",
+        "ext-json": "*",
         "ext-xml": "*"
     },
     "platform-dev": []