diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e202f8..09cb555 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [5.7.0]
+- Introduce `OrgSerializer`: supply a subclass to `OrgNode.toMarkup` to
+  customize how a tree is serialized.
+- Add `OrgSection.tags`
+- Add optional `where` predicate to `OrgTree.findContainingTree`
+
 ## [5.6.1]
 * Bug fixes
 
diff --git a/pubspec.yaml b/pubspec.yaml
index fe213c8..44713ea 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: org_parser
 description: A pure-Dart parser for Emacs Org Mode (https://orgmode.org) markup
-version: 5.6.1
+version: 5.7.0
 homepage: https://github.com/amake/org_parser
 
 environment: