Update changelog and version.

changelog.md

@@ -4,7 +4,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
-## 5.5.2 (API 1.5.1) 2021-04-03
+## 5.5.3 (API 1.5.1) 2021-04-03
 
 ### Changed
 - Upgraded the render engine for the frontend.
@@ -31,6 +31,10 @@ This release features an update API version. Check out [the difference](https://
 - All endpoints that used to deliver dates (`2021-04-27`) will now deliver date time strings (`2021-04-27T16:43:12+02:00`).
 - [Issue 4566](https://github.com/firefly-iii/firefly-iii/issues/4566) Some API end points did not deliver the promised data.
 
+## 5.5.2
+
+Skipped.
+
 ## 5.5.1 (API 1.5.0) 2021-03-27
 
 ### Added
@@ -96,6 +100,10 @@ This release features an update API version. Check out [the difference](https://
 - [Issue 4435](https://github.com/firefly-iii/firefly-iii/issues/4435) Storing piggy banks with object group information would fail.
 - Users can submit almost any field without other fields changing as well.
 
+## 5.5.0 
+
+Skipped.
+
 ## 5.4.6 (API 1.4.0) - 2020-10-07
 
 ### Added

config/firefly.php

@@ -99,7 +99,7 @@ return [
         'webhooks'  => false,
     ],
 
-    'version'                      => '5.5.2',
+    'version'                      => '5.5.3',
     'api_version'                  => '1.5.1',
     'db_version'                   => 16,
     'maxUploadSize'                => 1073741824, // 1 GB