diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e071dbf..5f0f4a7d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ 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).
 
+## [0.1.9] - 2024-06-07 12:00:00
+
+### Added
+
+- Updates the `get_micro_data.py` and `calibration.py` modules to allow for the user to use the CPS, PUF, and TMD files with Tax-Calculator or to provide their own custom datafile, with associated grow factors and weights.
+
 
 ## [0.1.8] - 2024-05-20 12:00:00
 
diff --git a/setup.py b/setup.py
index e58d1e2c..3b96a49a 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="ogusa",
-    version="0.1.8",
+    version="0.1.9",
     author="Jason DeBacker and Richard W. Evans",
     license="CC0 1.0 Universal (CC0 1.0) Public Domain Dedication",
     description="USA calibration for OG-Core",