diff --git a/now.json b/now.json
index 709fcf2..5365054 100644
--- a/now.json
+++ b/now.json
@@ -1,6 +1,9 @@
 {
     "name": "pegjs-website",
     "type": "npm",
+    "env": {
+        "NODE_ENV": "production"
+    },
     "alias": [
         "www.pegjs.org",
         "pegjs.org",
@@ -11,7 +14,7 @@
         "packages",
         "test",
         "website",
-        ".babelrc",
+        ".babelrc.js",
         "server.js"
     ]
 }
diff --git a/package.json b/package.json
index 431ef62..6b981b5 100644
--- a/package.json
+++ b/package.json
@@ -16,33 +16,35 @@
         "test": "nyc gulp",
         "coverage": "nyc report --reporter=text-lcov | coveralls"
     },
-    "devDependencies": {
+    "dependencies": {
         "@babel/core": "7.0.0",
         "@babel/preset-env": "7.0.0",
         "body-parser": "1.18.3",
         "chai": "4.1.2",
         "chai-like": "1.1.1",
-        "coveralls": "3.0.2",
-        "dedent": "0.7.0",
-        "del": "3.0.0",
         "ejs": "2.6.1",
-        "eslint-config-futagozaryuu": "5",
         "express": "4.16.3",
         "express-layout": "0.1.0",
-        "glob": "7.1.3",
-        "gulp": "4.0.0",
-        "gulp-eslint": "5.0.0",
-        "gulp-mocha": "6.0.0",
         "morgan": "1.9.0",
-        "nyc": "13.0.1",
         "pretty-ms": "3.2.0",
-        "pump": "3.0.0",
         "sinon": "6.2.0",
         "rollup": "0.65.2",
         "rollup-plugin-babel": "4.0.3",
         "rollup-plugin-commonjs": "9.1.6",
         "rollup-plugin-multi-entry": "2.0.2",
-        "rollup-plugin-node-resolve": "3.4.0",
+        "rollup-plugin-node-resolve": "3.4.0"
+    },
+    "devDependencies": {
+        "coveralls": "3.0.2",
+        "dedent": "0.7.0",
+        "del": "3.0.0",
+        "eslint-config-futagozaryuu": "5",
+        "glob": "7.1.3",
+        "gulp": "4.0.0",
+        "gulp-eslint": "5.0.0",
+        "gulp-mocha": "6.0.0",
+        "nyc": "13.0.1",
+        "pump": "3.0.0",
         "rollup-plugin-terser": "2.0.2"
     },
     "engines": {