diff --git a/CHANGELOG.md b/CHANGELOG.md
index de14731..dcf2152 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [1.3.0-dev.1](https://github.com/RomRider/apexcharts-card/compare/v1.2.1-dev.1...v1.3.0-dev.1) (2021-01-29)
+
+
+### Features
+
+* **series.offset:** Compare data from another timeframe with the current timeframe ([#19](https://github.com/RomRider/apexcharts-card/issues/19)) ([af8ba81](https://github.com/RomRider/apexcharts-card/commit/af8ba8156452054c38b4b65bb843bb16fbfdf6bd)), closes [#18](https://github.com/RomRider/apexcharts-card/issues/18)
+
 ### [1.2.1-dev.1](https://github.com/RomRider/apexcharts-card/compare/v1.2.0...v1.2.1-dev.1) (2021-01-29)
 
 
diff --git a/package-lock.json b/package-lock.json
index 78687b9..892ce92 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "apexcharts-card",
-  "version": "1.2.1-dev.1",
+  "version": "1.3.0-dev.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index eb72863..a71996d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "apexcharts-card",
-  "version": "1.2.1-dev.1",
+  "version": "1.3.0-dev.1",
   "description": "A Home Assistant Lovelace card using ApexCharts to render graphs",
   "main": "src/apexcharts-card.ts",
   "scripts": {