diff --git a/.gitignore b/.gitignore
index 7e84c7a..e116cdb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ __pycache__
 .egg
 *.egg-info/
 _version.py
+build/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index dbc72ed..763fd1d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,24 @@ This changelog is generated using [Towncrier](https://towncrier.readthedocs.io/)
 
 <!-- towncrier release notes start -->
 
+## [v0.2.0](https://github.com/Eventdisplay/Eventdisplay-ML/releases/tag/v0.2.0) - 2026-01-01
+
+### New Features
+
+- add classification routines for gamma/hadron separation.
+- add pre-training quality cuts.
+
+([#13](https://github.com/Eventdisplay/Eventdisplay-ML/pull/13))
+
+### Maintenance
+
+- refactoring code to minimize duplication and improve maintainability.
+- unified command line interface for all scripts.
+- unit tests are disabled for now due to rapid changes in the codebase.
+
+([#13](https://github.com/Eventdisplay/Eventdisplay-ML/pull/13))
+
+
 ## [v0.1.1](https://github.com/Eventdisplay/Eventdisplay-ML/releases/tag/v0.1.1) - 2025-12-22
 
 ### Maintenance
diff --git a/CITATION.cff b/CITATION.cff
index 9c4d813..bc458b3 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -4,8 +4,8 @@ cff-version: 1.2.0
 message: If you use this software, please cite it using these metadata.
 title: "Eventdisplay-ML: a machine learning toolkit for Eventdisplay"
 # doi: 10.5281/zenodo.6827832
-version: 0.1.0
-date-released: 2025-12-25
+version: 0.2.0
+date-released: 2026-01-01
 keywords:
 - "gamma-ray astronomy"
 - "astronomy software"
diff --git a/docs/changes/13.feature.md b/docs/changes/13.feature.md
deleted file mode 100644
index 3c80e44..0000000
--- a/docs/changes/13.feature.md
+++ /dev/null
@@ -1,2 +0,0 @@
-- add classification routines for gamma/hadron separation.
-- add pre-training quality cuts.
diff --git a/docs/changes/13.maintenance.md b/docs/changes/13.maintenance.md
deleted file mode 100644
index 3d70f46..0000000
--- a/docs/changes/13.maintenance.md
+++ /dev/null
@@ -1,3 +0,0 @@
-- refactoring code to minimize duplication and improve maintainability.
-- unified command line interface for all scripts.
-- unit tests are disabled for now due to rapid changes in the codebase.