diff --git a/CHANGES.md b/CHANGES.md
index 4c316099..ea673a0e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,8 +1,10 @@
 # Change Log
 
-## [unreleased]
+## [0.5.3] - 2017-05-22
 
-- Fix handling of spaces in Sqlite3 URIs.
+- Fix handling of spaces in Sqlite3 URIs and allow setting mode.
+- Split `Caqti` (now deprecated) into `Caqti_errors` and `Caqti_connect`.
+- Update to async 0.9.0.
 
 ## [0.5.2] - 2017-02-25
 
@@ -17,7 +19,8 @@
 - Added MariaDB backend.
 - Fixed VARCHAR for SQLite3 describe.
 
-[unreleased]: https://github.com/paurkedal/ocaml-caqti/compare/v0.5.2...HEAD
+[unreleased]: https://github.com/paurkedal/ocaml-caqti/compare/v0.5.3...HEAD
+[0.5.3]: https://github.com/paurkedal/ocaml-caqti/compare/v0.5.2...v0.5.3
 [0.5.2]: https://github.com/paurkedal/ocaml-caqti/compare/v0.5.1...v0.5.2
 [0.5.1]: https://github.com/paurkedal/ocaml-caqti/compare/v0.5.0...v0.5.1
 [0.5.0]: https://github.com/paurkedal/ocaml-caqti/compare/v0.4.0...v0.5.0