diff --git a/Cargo.toml b/Cargo.toml
index 7bbbd95..2ee3827 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ authors = [
 ]
 documentation = "https://docs.rs/crate/augurs"
 repository = "https://github.com/grafana/augurs"
-version = "0.8.1"
+version = "0.9.0"
 edition = "2021"
 keywords = [
   "analysis",
@@ -29,16 +29,16 @@ keywords = [
 
 [workspace.dependencies]
 augurs = { path = "crates/augurs" }
-augurs-changepoint = { version = "0.8.1", path = "crates/augurs-changepoint" }
-augurs-clustering = { version = "0.8.1", path = "crates/augurs-clustering" }
-augurs-core = { version = "0.8.1", path = "crates/augurs-core" }
-augurs-dtw = { version = "0.8.1", path = "crates/augurs-dtw" }
-augurs-ets = { version = "0.8.1", path = "crates/augurs-ets" }
-augurs-forecaster = { version = "0.8.1", path = "crates/augurs-forecaster" }
-augurs-mstl = { version = "0.8.1", path = "crates/augurs-mstl" }
-augurs-outlier = { version = "0.8.1", path = "crates/augurs-outlier" }
-augurs-prophet = { version = "0.8.1", path = "crates/augurs-prophet" }
-augurs-seasons = { version = "0.8.1", path = "crates/augurs-seasons" }
+augurs-changepoint = { version = "0.9.0", path = "crates/augurs-changepoint" }
+augurs-clustering = { version = "0.9.0", path = "crates/augurs-clustering" }
+augurs-core = { version = "0.9.0", path = "crates/augurs-core" }
+augurs-dtw = { version = "0.9.0", path = "crates/augurs-dtw" }
+augurs-ets = { version = "0.9.0", path = "crates/augurs-ets" }
+augurs-forecaster = { version = "0.9.0", path = "crates/augurs-forecaster" }
+augurs-mstl = { version = "0.9.0", path = "crates/augurs-mstl" }
+augurs-outlier = { version = "0.9.0", path = "crates/augurs-outlier" }
+augurs-prophet = { version = "0.9.0", path = "crates/augurs-prophet" }
+augurs-seasons = { version = "0.9.0", path = "crates/augurs-seasons" }
 augurs-testing = { path = "crates/augurs-testing" }
 
 augurs-core-js = { path = "js/augurs-core-js" }
diff --git a/crates/augurs-clustering/CHANGELOG.md b/crates/augurs-clustering/CHANGELOG.md
index 45438f4..d1605bb 100644
--- a/crates/augurs-clustering/CHANGELOG.md
+++ b/crates/augurs-clustering/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.0](https://github.com/grafana/augurs/compare/augurs-clustering-v0.8.1...augurs-clustering-v0.9.0) - 2025-01-14
+
+### Other
+
+- *(clustering)* [**breaking**] use new DbscanCluster type instead of isize (#233)
+
 ## [0.5.2](https://github.com/grafana/augurs/compare/augurs-clustering-v0.5.1...augurs-clustering-v0.5.2) - 2024-10-25
 
 ### Other
diff --git a/crates/augurs-core/CHANGELOG.md b/crates/augurs-core/CHANGELOG.md
index 23098ce..8d145e5 100644
--- a/crates/augurs-core/CHANGELOG.md
+++ b/crates/augurs-core/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.0](https://github.com/grafana/augurs/compare/augurs-core-v0.8.1...augurs-core-v0.9.0) - 2025-01-14
+
+### Added
+
+- *(forecaster)* add NaN handling to MinMaxScaler and StandardScaler (#227)
+
 ## [0.8.0](https://github.com/grafana/augurs/compare/augurs-core-v0.7.0...augurs-core-v0.8.0) - 2024-12-23
 
 ### Added
diff --git a/crates/augurs-dtw/CHANGELOG.md b/crates/augurs-dtw/CHANGELOG.md
index 7d5bff2..9e8c8d5 100644
--- a/crates/augurs-dtw/CHANGELOG.md
+++ b/crates/augurs-dtw/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.0](https://github.com/grafana/augurs/compare/augurs-dtw-v0.8.1...augurs-dtw-v0.9.0) - 2025-01-14
+
+### Added
+
+- *(forecaster)* add NaN handling to MinMaxScaler and StandardScaler (#227)
+
 ## [0.8.1](https://github.com/grafana/augurs/compare/augurs-dtw-v0.8.0...augurs-dtw-v0.8.1) - 2025-01-07
 
 ### Other
diff --git a/crates/augurs-forecaster/CHANGELOG.md b/crates/augurs-forecaster/CHANGELOG.md
index 318c620..373b34e 100644
--- a/crates/augurs-forecaster/CHANGELOG.md
+++ b/crates/augurs-forecaster/CHANGELOG.md
@@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.0](https://github.com/grafana/augurs/compare/augurs-forecaster-v0.8.1...augurs-forecaster-v0.9.0) - 2025-01-14
+
+### Added
+
+- allow ignoring NaNs in power transforms (#234)
+- *(forecaster)* add NaN handling to MinMaxScaler and StandardScaler (#227)
+
 ## [0.8.1](https://github.com/grafana/augurs/compare/augurs-forecaster-v0.8.0...augurs-forecaster-v0.8.1) - 2025-01-07
 
 ### Other
diff --git a/crates/augurs-outlier/CHANGELOG.md b/crates/augurs-outlier/CHANGELOG.md
index 03e76b3..4489456 100644
--- a/crates/augurs-outlier/CHANGELOG.md
+++ b/crates/augurs-outlier/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.0](https://github.com/grafana/augurs/compare/augurs-outlier-v0.8.1...augurs-outlier-v0.9.0) - 2025-01-14
+
+### Added
+
+- *(forecaster)* add NaN handling to MinMaxScaler and StandardScaler (#227)
+
 ## [0.8.1](https://github.com/grafana/augurs/compare/augurs-outlier-v0.8.0...augurs-outlier-v0.8.1) - 2025-01-07
 
 ### Other
diff --git a/crates/augurs-prophet/CHANGELOG.md b/crates/augurs-prophet/CHANGELOG.md
index 89be705..9122ea5 100644
--- a/crates/augurs-prophet/CHANGELOG.md
+++ b/crates/augurs-prophet/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.0](https://github.com/grafana/augurs/compare/augurs-prophet-v0.8.1...augurs-prophet-v0.9.0) - 2025-01-14
+
+### Added
+
+- *(forecaster)* add NaN handling to MinMaxScaler and StandardScaler (#227)
+
 ## [0.8.1](https://github.com/grafana/augurs/compare/augurs-prophet-v0.8.0...augurs-prophet-v0.8.1) - 2025-01-07
 
 ### Fixed
diff --git a/crates/augurs/CHANGELOG.md b/crates/augurs/CHANGELOG.md
index 8737b8c..228d113 100644
--- a/crates/augurs/CHANGELOG.md
+++ b/crates/augurs/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.0](https://github.com/grafana/augurs/compare/augurs-v0.8.1...augurs-v0.9.0) - 2025-01-14
+
+### Other
+
+- *(clustering)* [**breaking**] use new DbscanCluster type instead of isize (#233)
+
 ## [0.8.1](https://github.com/grafana/augurs/compare/augurs-v0.8.0...augurs-v0.8.1) - 2025-01-07
 
 ### Other