diff --git a/CHANGELOG.md b/CHANGELOG.md
index c717dff..bc85c34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # CHANGELOG
 
-## 2.2.5 - UNRELEASED
+## 2.2.5 - 2022/12/17
+* Updated `Dockerfile` (as long as alpine 3.15 shipping PHP7 is kept updated, `ts3web` docker images are kept)
+* Updated some symfony dependencies
 
 ## 2.2.4 - 2022/01/19
 * Updated dependencies
diff --git a/Dockerfile b/Dockerfile
index 4013829..bba0eab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3
+FROM alpine:3.15
 
 LABEL maintainer="Varakh<varakh@varakh.de>"
 
diff --git a/composer.lock b/composer.lock
index 11c2cde..95c7e21 100644
--- a/composer.lock
+++ b/composer.lock
@@ -439,12 +439,12 @@
             },
             "type": "library",
             "autoload": {
-                "psr-4": {
-                    "FastRoute\\": "src/"
-                },
                 "files": [
                     "src/functions.php"
-                ]
+                ],
+                "psr-4": {
+                    "FastRoute\\": "src/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1075,16 +1075,16 @@
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.24.0",
+            "version": "v1.27.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "30885182c981ab175d4d034db0f6f469898070ab"
+                "reference": "5bbc823adecdae860bb64756d639ecfec17b050a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/30885182c981ab175d4d034db0f6f469898070ab",
-                "reference": "30885182c981ab175d4d034db0f6f469898070ab",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/5bbc823adecdae860bb64756d639ecfec17b050a",
+                "reference": "5bbc823adecdae860bb64756d639ecfec17b050a",
                 "shasum": ""
             },
             "require": {
@@ -1099,7 +1099,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.23-dev"
+                    "dev-main": "1.27-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -1107,12 +1107,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Ctype\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1137,7 +1137,7 @@
                 "portable"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.24.0"
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.27.0"
             },
             "funding": [
                 {
@@ -1153,20 +1153,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-10-20T20:35:02+00:00"
+            "time": "2022-11-03T14:55:06+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.24.0",
+            "version": "v1.27.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "0abb51d2f102e00a4eefcf46ba7fec406d245825"
+                "reference": "8ad114f6b39e2c98a8b0e3bd907732c207c2b534"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/0abb51d2f102e00a4eefcf46ba7fec406d245825",
-                "reference": "0abb51d2f102e00a4eefcf46ba7fec406d245825",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/8ad114f6b39e2c98a8b0e3bd907732c207c2b534",
+                "reference": "8ad114f6b39e2c98a8b0e3bd907732c207c2b534",
                 "shasum": ""
             },
             "require": {
@@ -1181,7 +1181,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.23-dev"
+                    "dev-main": "1.27-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -1189,12 +1189,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1220,7 +1220,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.24.0"
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.27.0"
             },
             "funding": [
                 {
@@ -1236,20 +1236,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-11-30T18:21:41+00:00"
+            "time": "2022-11-03T14:55:06+00:00"
         },
         {
             "name": "symfony/polyfill-php72",
-            "version": "v1.24.0",
+            "version": "v1.27.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php72.git",
-                "reference": "9a142215a36a3888e30d0a9eeea9766764e96976"
+                "reference": "869329b1e9894268a8a61dabb69153029b7a8c97"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/9a142215a36a3888e30d0a9eeea9766764e96976",
-                "reference": "9a142215a36a3888e30d0a9eeea9766764e96976",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/869329b1e9894268a8a61dabb69153029b7a8c97",
+                "reference": "869329b1e9894268a8a61dabb69153029b7a8c97",
                 "shasum": ""
             },
             "require": {
@@ -1258,7 +1258,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.23-dev"
+                    "dev-main": "1.27-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -1266,12 +1266,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Php72\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php72\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1296,7 +1296,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-php72/tree/v1.24.0"
+                "source": "https://github.com/symfony/polyfill-php72/tree/v1.27.0"
             },
             "funding": [
                 {
@@ -1312,7 +1312,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-05-27T09:17:38+00:00"
+            "time": "2022-11-03T14:55:06+00:00"
         },
         {
             "name": "symfony/translation",
@@ -1545,16 +1545,16 @@
         },
         {
             "name": "twig/twig",
-            "version": "v2.14.10",
+            "version": "v2.15.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "95fb194cd4dd6ac373a27af2bde2bad5d3f27aba"
+                "reference": "ab402673db8746cb3a4c46f3869d6253699f614a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/95fb194cd4dd6ac373a27af2bde2bad5d3f27aba",
-                "reference": "95fb194cd4dd6ac373a27af2bde2bad5d3f27aba",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/ab402673db8746cb3a4c46f3869d6253699f614a",
+                "reference": "ab402673db8746cb3a4c46f3869d6253699f614a",
                 "shasum": ""
             },
             "require": {
@@ -1570,7 +1570,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.14-dev"
+                    "dev-master": "2.15-dev"
                 }
             },
             "autoload": {
@@ -1609,7 +1609,7 @@
             ],
             "support": {
                 "issues": "https://github.com/twigphp/Twig/issues",
-                "source": "https://github.com/twigphp/Twig/tree/v2.14.10"
+                "source": "https://github.com/twigphp/Twig/tree/v2.15.3"
             },
             "funding": [
                 {
@@ -1621,7 +1621,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-01-03T21:13:26+00:00"
+            "time": "2022-09-28T08:40:08+00:00"
         },
         {
             "name": "vlucas/phpdotenv",
@@ -1739,12 +1739,12 @@
             },
             "type": "library",
             "autoload": {
-                "psr-0": {
-                    "cli": "lib/"
-                },
                 "files": [
                     "lib/cli/cli.php"
-                ]
+                ],
+                "psr-0": {
+                    "cli": "lib/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
diff --git a/config/Constants.php b/config/Constants.php
index 22892e9..7943499 100644
--- a/config/Constants.php
+++ b/config/Constants.php
@@ -8,12 +8,12 @@ class Constants
     /**
      * Years tag
      */
-    const YEARS = '2020-2022';
+    const YEARS = '2020-2023';
 
     /**
      * Version tag
      */
-    const VERSION = '2.2.5-SNAPSHOT';
+    const VERSION = '2.2.5';
 
     /**
      * Return constant by its class name