diff --git a/package.json b/package.json
index 46dd4eb60..b06ddac47 100644
--- a/package.json
+++ b/package.json
@@ -7,15 +7,21 @@
   "scripts": {
     "test": "jest",
     "lint": "./node_modules/.bin/eslint src/* test/* build/*",
-    "build": "BABEL_ENV=build node build",
+    "build": "BABEL_ENV=build node build && npm run size",
     "sauce": "npx karma start karma.sauce.conf.js",
     "test:sauce": "npm run sauce -- 0 && npm run sauce -- 1 && npm run sauce -- 2  && npm run sauce -- 3",
-    "gzip-size": "gzip-size dayjs.min.js",
+    "size": "size-limit",
     "postpublish": "npm run test:sauce"
   },
   "pre-commit": [
     "lint"
   ],
+  "size-limit": [
+    {
+      "limit": "2.99 KB",
+      "path": "dayjs.min.js"
+    }
+  ],
   "jest": {
     "roots": [
       "test"
@@ -60,7 +66,6 @@
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-plugin-import": "^2.10.0",
     "eslint-plugin-jest": "^21.15.0",
-    "gzip-size-cli": "^2.1.0",
     "jasmine-core": "^2.99.1",
     "jest": "^22.4.3",
     "karma": "^2.0.2",
@@ -72,6 +77,7 @@
     "rollup": "^0.57.1",
     "rollup-plugin-babel": "^4.0.0-beta.4",
     "rollup-plugin-uglify": "^3.0.0",
+    "size-limit": "^0.18.0",
     "timeago.js": "^3.0.2",
     "typescript": "^2.8.3"
   },
diff --git a/src/locale/bg.js b/src/locale/bg.js
new file mode 100644
index 000000000..458dcb3d2
--- /dev/null
+++ b/src/locale/bg.js
@@ -0,0 +1,12 @@
+import dayjs from 'dayjs'
+
+const locale = {
+  name: 'bg',
+  weekdays: 'Неделя_Понеделник_Вторник_Сряда_Четвъртък_Петък_Събота'.split('_'),
+  months: 'Януари_Февруари_Март_Април_Май_Юни_Юли_Август_Септември_Октомври_Ноември_Декември'.split('_'),
+  ordinal: n => `${n}.`
+}
+
+dayjs.locale(locale, null, true)
+
+export default locale
diff --git a/src/locale/fa.js b/src/locale/fa.js
new file mode 100644
index 000000000..33ed84539
--- /dev/null
+++ b/src/locale/fa.js
@@ -0,0 +1,13 @@
+
+import dayjs from 'dayjs'
+
+const locale = {
+  name: 'fa',
+  weekdays: 'یک‌شنبه_دوشنبه_سه‌شنبه_چهارشنبه_پنج‌شنبه_جمعه_شنبه'.split('_'),
+  months: 'ژانویه_فوریه_مارس_آوریل_مه_ژوئن_ژوئیه_اوت_سپتامبر_اکتبر_نوامبر_دسامبر'.split('_'),
+  ordinal: n => n
+}
+
+dayjs.locale(locale, null, true)
+
+export default locale
diff --git a/src/locale/nl.js b/src/locale/nl.js
new file mode 100644
index 000000000..2ef1736e6
--- /dev/null
+++ b/src/locale/nl.js
@@ -0,0 +1,12 @@
+import dayjs from 'dayjs'
+
+const locale = {
+  name: 'nl',
+  weekdays: 'Zondag_Maandag_Dinsdag_Woensdag_Donderdag_Vrijdag_Zaterdag'.split('_'),
+  months: 'Januari_Februari_Maart_April_Mei_Juni_Juli_Augustus_September_Oktober_November_December'.split('_'),
+  ordinal: n => `${n}.`
+}
+
+dayjs.locale(locale, null, true)
+
+export default locale