diff --git a/CHANGELOG.md b/CHANGELOG.md
index d70118cbb..2064becaa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed: Align property doesn't work in slide number object [\#835](https://github.com/gitbrent/PptxGenJS/issues/835) ([ax2mx](https://github.com/ax2mx))
 - Fixed: Margin doesn't work in slide number object [\#836](https://github.com/gitbrent/PptxGenJS/issues/836) ([ax2mx](https://github.com/ax2mx))
 - Fixed: several rounding mistakes for precision, accuracy, and usability [\#840](https://github.com/gitbrent/PptxGenJS/pull/840) ([michaelcbrook](https://github.com/michaelcbrook))
+- Fixed: catAxisMinorTickMark [\#841](https://github.com/gitbrent/PptxGenJS/pull/841) ([twatson83](https://github.com/twatson83))
 - Fixed: colspan/rowspan [\#852](https://github.com/gitbrent/PptxGenJS/pull/852) ([wangfengming](https://github.com/wangfengming))
 - Fixed: typo in ts doc [\#873](https://github.com/gitbrent/PptxGenJS/issues/873) ([jencii](https://github.com/jencii))
 ### Internal Updates