diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## [1.8.4](https://github.com/iamkun/dayjs/compare/v1.8.3...v1.8.4) (2019-02-05)
+
+
+### Bug Fixes
+
+* Allow set start day of week in locale && Allow set week in weekOfYear plugin ([1295591](https://github.com/iamkun/dayjs/commit/1295591))
+* Revert default export ([b00da1b](https://github.com/iamkun/dayjs/commit/b00da1b))
+* update all locale files with correct week start ([5b03412](https://github.com/iamkun/dayjs/commit/5b03412))
+* update es es-do locale adding weekStart && update weekStart test ([66e42ec](https://github.com/iamkun/dayjs/commit/66e42ec))
+
 ## [1.8.3](https://github.com/iamkun/dayjs/compare/v1.8.2...v1.8.3) (2019-02-04)