diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6101e98..4966959 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [1.1.0](https://github.com/oleg-koval/excel-date-to-js/compare/v1.0.7...v1.1.0) (2021-09-23)
+
+
+### Features
+
+* add ability to transform js date back to excel ([#20](https://github.com/oleg-koval/excel-date-to-js/issues/20)) ([119ce12](https://github.com/oleg-koval/excel-date-to-js/commit/119ce121bcc16e3f030c1fdd4e34464884b1b115))
+
 ## [1.0.7](https://github.com/oleg-koval/excel-date-to-js/compare/v1.0.6...v1.0.7) (2021-09-23)
 
 ## [1.0.6](https://github.com/oleg-koval/excel-date-to-js/compare/v1.0.5...v1.0.6) (2020-08-19)
diff --git a/package-lock.json b/package-lock.json
index f891ed4..fe2c895 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "excel-date-to-js",
-  "version": "1.0.7",
+  "version": "1.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index c8c5390..78e31c6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "excel-date-to-js",
-  "version": "1.0.7",
+  "version": "1.1.0",
   "private": false,
   "description": "Convert Excel date in integer format into JS date. Dates are stored as numbers in Excel and count the number of days since January 0, 1900 (1900 standard, for mac it is 1904, which means January 0, 1904 is the start date). Times are handled internally as numbers between 0 and 1.",
   "main": "index.js",