diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f8b6fd..f17af4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,11 +4,17 @@ All notable changes to `browner12/helpers` will be documented in this file.
 
 Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
-## UNRELEASED
+## [UNRELEASED]
+
+## [1.0.1] - 2016-08-30
+
+### Fixed
+- take into account `null` values for `datetime` and `datetimeSpan` methods
 
 ## 1.0.0 - 2016-02-22
 
 ### Added
 - new helpers package
 
-[unreleased]: https://github.com/browner12/helpers/compare/v1.0.0...HEAD
+[unreleased]: https://github.com/browner12/helpers/compare/v1.0.1...HEAD
+[1.0.1]: https://github.com/browner12/helpers/compare/v1.0.0...v1.0.1