diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c05df9b..466df71 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.1.3"
+  ".": "0.1.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..5af049f
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,15 @@
+# Changelog
+
+## 0.1.0 (2026-05-20)
+
+
+### Features
+
+* add Hellbox.check() for format and type checking ([f564ccc](https://github.com/hellboxpy/hellbox/commit/f564ccc9e70ee29300266e187eb2e32df26f6432))
+* add Hellbox.format() classmethod backed by ruff ([8595771](https://github.com/hellboxpy/hellbox/commit/8595771f4684a33e929797502bed4dfbfe6a4007))
+* suppress tool stdout/stderr during chute execution ([d826584](https://github.com/hellboxpy/hellbox/commit/d8265840b3636fb6dd32b9f8bc84941cb3981ed4))
+
+
+### Documentation
+
+* increase headline size ([fb13758](https://github.com/hellboxpy/hellbox/commit/fb13758210f1044b4184d2581a73ae55e6bb651e))
diff --git a/pyproject.toml b/pyproject.toml
index 717c3f2..a60ee60 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = [ "setuptools>=68" ]
 
 [project]
 name = "hellbox"
-version = "0.1.3"
+version = "0.1.0"
 description = "Build system for font development."
 readme = "README.rst"
 license = { text = "MIT" }