diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..f5ab945
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,14 @@
+## [0.2.0] - 2024-12-15
+
+### Added
+
+- Added support for sparse data and constraint matrices.
+- Added test examples.
+
+
+
+## [0.1.0] - 2024-12-01
+
+### Added
+
+- Initial version of **ReHLine-cpp**, imported from [ReHLine-SVM](https://github.com/softmin/ReHLine-SVM).