diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 01f52ab301..01b074dfae 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ on:
 
 env:
   # All versions should be declared here
-  PHALCON_VERSION: 5.4.0
+  PHALCON_VERSION: 5.5.0
   ZEPHIR_PARSER_VERSION: 1.6.0
 
   # For tests
diff --git a/CHANGELOG-5.0.md b/CHANGELOG-5.0.md
index 0bb5449515..e5366d1631 100644
--- a/CHANGELOG-5.0.md
+++ b/CHANGELOG-5.0.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## [5.5.0](https://github.com/phalcon/cphalcon/releases/tag/v5.5.0) (xxxx-xx-xx)
+## [5.5.0](https://github.com/phalcon/cphalcon/releases/tag/v5.5.0) (2023-12-25)
 
 ### Changed
 
diff --git a/config.json b/config.json
index d46e748aaf..2e7e77b055 100644
--- a/config.json
+++ b/config.json
@@ -3,7 +3,7 @@
   "name": "phalcon",
   "description": "Phalcon is a full stack PHP framework, delivered as a PHP extension, offering lower resource consumption and high performance.",
   "author": "Phalcon Team and contributors",
-  "version": "5.4.0",
+  "version": "5.5.0",
   "verbose": false,
   "stubs": {
     "path": "ide\/%version%\/%namespace%\/",
diff --git a/package.xml b/package.xml
index c5a90f4865..6c1ca0cb6f 100644
--- a/package.xml
+++ b/package.xml
@@ -22,11 +22,11 @@
     <email>nikos@phalcon.io</email>
     <active>yes</active>
   </lead>
-  <date>2023-10-25</date>
+  <date>2023-12-25</date>
   <time>17:00:00</time>
   <version>
-    <release>5.4.0</release>
-    <api>5.4.0</api>
+    <release>5.5.0</release>
+    <api>5.5.0</api>
   </version>
   <stability>
     <release>stable</release>
@@ -38,20 +38,19 @@
 
     ### Changed
 
-    - Changed `Phalcon\Mvc\Model::getMessages()` to also filter with an array of fields [#16265](https://github.com/phalcon/cphalcon/issues/16265)
-    - Changed `Phalcon\DataMapper\Query\Select::columns()` to accept an array of columns (keys as aliases) instead of `func_get_args` [#16451](https://github.com/phalcon/cphalcon/issues/16451)
-    - Changed `Phalcon\Html\Helper\AbstractSeries::__invoke()` to no longer clear the internal store when called [#16441](https://github.com/phalcon/cphalcon/issues/16441)
+    - Shifted minimal support from PHP 7.4 to PHP 8.0 [#16477](https://github.com/phalcon/cphalcon/issues/16477)
+    - Changed `Phalcon\Mvc\Model::toArray` to use getters if present [#16320](https://github.com/phalcon/cphalcon/issues/16320)
+    - Adjusted return types identical to original interface `int|false` in `Phalcon\Session\Adapter\*::gc()` [#16477](https://github.com/phalcon/cphalcon/issues/16477)
+    - Changed return type of `Phalcon\Config\Adapter\Ini::cast()` to `mixed` [#16477](https://github.com/phalcon/cphalcon/issues/16477)
 
     ### Added
 
-    - Added the ability to define interpolator characters for the `Phalcon\Logger\Formatter\Line` [#16430](https://github.com/phalcon/cphalcon/issues/16430)
-    - Added `Phalcon\Html\Helper\AbstractSeries::reset()` to clear the internal store when needed [#16441](https://github.com/phalcon/cphalcon/issues/16441)
+    - Added support for PHP 8.3 [#16477](https://github.com/phalcon/cphalcon/issues/16477)
 
     ### Fixed
 
-    - Model Annotation strategy did not work with empty_string [#16426](https://github.com/phalcon/cphalcon/issues/16426)
-    - View::reset() sets content to null instead of default empty string [#16437](https://github.com/phalcon/cphalcon/issues/16437)
-    - Fixed `Phalcon\Filter\Validation\Validator\Size\*` validators to correctly detect the size of uploaded files [#16390](https://github.com/phalcon/cphalcon/issues/16390)
+    - Fixed `Phalcon\Filter\Validation\Validator\Numericality` to return false when input has spaces [#16461](https://github.com/phalcon/cphalcon/issues/16461)
+    - Fixed `Phalcon\Mvc\Model\ResultsetSimple::toArray` to ignore numeric indexes in case results come as not `fetch_assoc` [#16467](https://github.com/phalcon/cphalcon/issues/16467)
 
   </notes>
   <contents>
diff --git a/phalcon/Support/Version.zep b/phalcon/Support/Version.zep
index 96b3ff5383..ec4207bf43 100644
--- a/phalcon/Support/Version.zep
+++ b/phalcon/Support/Version.zep
@@ -77,7 +77,7 @@ class Version
      */
     protected function getVersion() -> array
     {
-        return [5, 4, 0, 4, 0];
+        return [5, 5, 0, 4, 0];
     }
 
     /**