diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cf1c1b..e991e22 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.1.9](https://github.com/denehoffman/laddu/compare/v0.1.8...v0.1.9) - 2024-11-19
+
+### Added
+
+- add no-op implementations for adding 0 to add-able types
+- update type hints with __ropts__ and add magic methods to easily pickle `Status`
+
+### Other
+
+- remove unused references
+- *(python)* document `as_dict`
+
 ## [0.1.8](https://github.com/denehoffman/laddu/compare/v0.1.7...v0.1.8) - 2024-11-09
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index 4cab2fc..4e33ab7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "laddu"
-version = "0.1.8"
+version = "0.1.9"
 edition = "2021"
 description = "Amplitude analysis made short and sweet"
 documentation = "https://docs.rs/laddu"