diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1de87c5..b7a15ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,19 @@
+## [1.0.0](https://github.com/eonu/sequentia/releases/tag/v1.0.0)
+
+#### Major changes
+
+- Fix `CategoricalHMM` and `GaussianMixtureHMM` parameter defaults for `params`/`init_params` being modified. ([#231](https://github.com/eonu/sequentia/issues/231))
+- Fix `CategoricalHMM` and `GaussianMixtureHMM` `unfreeze()` calling `super().freeze()` instead of `super().unfreeze()`. ([#231](https://github.com/eonu/sequentia/issues/231))
+- Fix serialization/deserialization for `_KNNMixin` when `weighting=None`. ([#231](https://github.com/eonu/sequentia/issues/231))
+- Add unit tests. ([#231](https://github.com/eonu/sequentia/issues/231))
+
+#### Minor changes
+
+- Change `load_digits` `numbers` parameter name to `digits`. ([#231](https://github.com/eonu/sequentia/issues/231))
+- Change `SequentialDataset` properties to not return copies of arrays. ([#231](https://github.com/eonu/sequentia/issues/231))
+- Remove `SequentialDataset.__eq__`. ([#231](https://github.com/eonu/sequentia/issues/231))
+- Change `HMMClassifier` `prior` default to `None`. ([#231](https://github.com/eonu/sequentia/issues/231))
+
 ## [1.0.0a2](https://github.com/eonu/sequentia/releases/tag/v1.0.0a2)
 
 #### Minor changes
diff --git a/lib/sequentia/__init__.py b/lib/sequentia/__init__.py
index 2e58601..258f9d3 100644
--- a/lib/sequentia/__init__.py
+++ b/lib/sequentia/__init__.py
@@ -4,7 +4,7 @@
 from .utils import *
 
 __name__ = "sequentia"
-__version__ = "1.0.0a2"
+__version__ = "1.0.0"
 __author__ = "Edwin Onuonga"
 __email__ = "ed@eonu.net"
 __copyright__ = f"2019-2023, {__author__}"