diff --git a/CHANGELOG.md b/CHANGELOG.md
index bdab811..a9463e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.6.4] - 2020-05-07
+### Added
+- New postprocessing stage to filter columns, PR #34 [@benkrikler](https://github.com/benkrikler)
+- New option to AssignCols stage to make assignment the index, PR #34
+
+## Fixed
+- ToDatacardInputs had been broken in a previous update, PR #34
+
 ## [0.6.3] - 2020-04-29
 ### Added
 - Add GenericPandas and UnstackWeights stages, PR #33 [@benkrikler](https://github.com/benkrikler)