diff --git a/CHANGELOG.md b/CHANGELOG.md
index fcb12aa45..ac6cf1c25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [3.0.0] - 2019-12-31
 ### Added
 - Ability to specify numbered list format [\#452](https://github.com/gitbrent/PptxGenJS/issue/452) ([mayvazyan](https://github.com/mayvazyan))
+- New cat/val axis options: majorTickMark/minorTickMark [\#473](https://github.com/gitbrent/PptxGenJS/pull/473) ([RokasDie](https://github.com/RokasDie))
 - Ability to set start number "startAt" for a bullet list of type numbered [\#554](https://github.com/gitbrent/PptxGenJS/issue/554) [\#555](https://github.com/gitbrent/PptxGenJS/pull/555) ([bj-mitchell](https://github.com/bj-mitchell))
 ### Changed
 - Fixed: Set proper MIME type for PPTX presentation [\#471](https://github.com/gitbrent/PptxGenJS/issue/471) ([StefanBrand](https://github.com/StefanBrand))