diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..0a0420e
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,16 @@
+# Changelog
+
+## [v0.4.0] - 2022-02-03
+
+### Fixes
+
+- Fixed the attachments API
+- Use the patched go-git library
+- Optimize the docker build
+
+### Features
+
+- API to fork a repository
+- tree and blob API
+- API to get diff of pull requests
+- Pull request APIs: commits, check and merge