diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 126e30d..e861ad6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,8 +15,6 @@ jobs:
         php-versions: ['7.2', '7.3', '7.4', '8.0']
         cs-fixer: [ true ]
         include:
-          - php-versions: '7.1'
-            cs-fixer: false
           - php-versions: '8.1'
             cs-fixer: false
     steps:
diff --git a/Core/Frameworks/BaikalAdmin/Controller/User/AddressBooks.php b/Core/Frameworks/BaikalAdmin/Controller/User/AddressBooks.php
index dfe4a08..d08ec8b 100644
--- a/Core/Frameworks/BaikalAdmin/Controller/User/AddressBooks.php
+++ b/Core/Frameworks/BaikalAdmin/Controller/User/AddressBooks.php
@@ -63,7 +63,6 @@ class AddressBooks extends \Flake\Core\Controller {
         $aAddressBooks = [];
         $oAddressBooks = $this->oUser->getAddressBooksBaseRequester()->execute();
 
-        reset($oAddressBooks);
         foreach ($oAddressBooks as $addressbook) {
             $aAddressBooks[] = [
                 "linkedit"    => $this->linkEdit($addressbook),
diff --git a/Core/Frameworks/BaikalAdmin/Controller/Users.php b/Core/Frameworks/BaikalAdmin/Controller/Users.php
index 68ee53c..6ef90c0 100644
--- a/Core/Frameworks/BaikalAdmin/Controller/Users.php
+++ b/Core/Frameworks/BaikalAdmin/Controller/Users.php
@@ -61,7 +61,6 @@ class Users extends \Flake\Core\Controller {
         $aUsers = [];
         $oUsers = \Baikal\Model\User::getBaseRequester()->execute();
 
-        reset($oUsers);
         foreach ($oUsers as $user) {
             $aUsers[] = [
                 "linkcalendars"    => \BaikalAdmin\Controller\Users::linkCalendars($user),
diff --git a/Core/Frameworks/Flake/Core/Collection.php b/Core/Frameworks/Flake/Core/Collection.php
index 0a5c490..84b661d 100644
--- a/Core/Frameworks/Flake/Core/Collection.php
+++ b/Core/Frameworks/Flake/Core/Collection.php
@@ -31,10 +31,12 @@ class Collection extends \Flake\Core\FLObject implements \Iterator {
     protected $aCollection = [];
     protected $aMeta = [];
 
+    #[\ReturnTypeWillChange]
     function current() {
         return current($this->aCollection);
     }
 
+    #[\ReturnTypeWillChange]
     function key() {
         return key($this->aCollection);
     }
diff --git a/composer.json b/composer.json
index ff6f028..446bf25 100644
--- a/composer.json
+++ b/composer.json
@@ -13,9 +13,9 @@
         }
     ],
     "require": {
-        "php"           : "^7.1 || ^8.0",
+        "php"           : "^7.2 || ^8.0",
         "sabre/dav"     : "~4.3.0",
-        "twig/twig"     : "~2.13.1",
+        "twig/twig"     : "~2.14.8",
         "symfony/yaml"  : "^3.4"
     },
     "require-dev" : {