diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc187cd..a9a8652 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,26 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.1.1] - 2024-09-09
+
+### Fixed
+
+- Fixed caching access token uniquely across modes. ([#10](https://github.com/pronamic/pronamic-pay-ideal-2/issues/10))
+- Fixed using expired access token. ([#9](https://github.com/pronamic/pronamic-pay-ideal-2/issues/9))
+- Fixed issue with `%` and `<` characters in private key passwords. ([#6](https://github.com/pronamic/pronamic-pay-ideal-2/issues/6))
+
+### Composer
+
+- Added `pronamic/wp-http-extended-ssl-support` `^1.0.0`.
+- Changed `automattic/jetpack-autoloader` from `v3.0.8` to `v3.1.0`.
+	Release notes: https://github.com/Automattic/jetpack-autoloader/releases/tag/v3.1.0
+- Changed `wp-pay/core` from `v4.19.0` to `v4.22.0`.
+	Release notes: https://github.com/pronamic/wp-pay-core/releases/tag/v4.22.0
+
+Full set of changes: [`1.1.0...1.1.1`][1.1.1]
+
+[1.1.1]: https://github.com/pronamic/pronamic-pay-ideal-2/compare/v1.1.0...v1.1.1
+
 ## [1.1.0] - 2024-06-07
 
 ### Added
diff --git a/package.json b/package.json
index 53804a8..b84e424 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@pronamic/pronamic-pay-ideal-2",
-	"version": "1.1.0",
+	"version": "1.1.1",
 	"description": "This plugin contains the Pronamic Pay integration for iDEAL 2.0.",
 	"author": "Pronamic",
 	"license": "GPL-2.0-or-later",
diff --git a/pronamic-pay-ideal-2.php b/pronamic-pay-ideal-2.php
index bc8955b..bd21eb7 100644
--- a/pronamic-pay-ideal-2.php
+++ b/pronamic-pay-ideal-2.php
@@ -11,7 +11,7 @@
  * Plugin Name:       Pronamic Pay - iDEAL 2.0
  * Plugin URI:        https://wp.pronamic.directory/plugins/pronamic-pay-ideal-2/
  * Description:       This plugin contains the Pronamic Pay integration for iDEAL 2.0.
- * Version:           1.1.0
+ * Version:           1.1.1
  * Requires at least: 6.2
  * Requires PHP:      8.0
  * Author:            Pronamic