diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..b933506
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,12 @@
+# Changelog
+
+## 0.1.0 - 2023-12-22
+
+### Added
+
+- Access tokens in Keycloak style, in addition to the previous Tunnistamo style. A new setting, `ISSUER_TYPE`, can be used to change the contents of access tokens.
+
+### Fixed
+
+- Interpret GDPR API responses according to current specification.
+- OpenID configuration (`.well-known/openid-configuration`) includes all data required by the specification. (#5)
diff --git a/MANIFEST.in b/MANIFEST.in
index f9bd145..74ce579 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
+include CHANGELOG.md
 include requirements.txt
diff --git a/VERSION b/VERSION
index 8acdd82..6e8bf73 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.0.1
+0.1.0