diff --git a/composer.json b/composer.json
index a851fe6..5c6d433 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     "require": {
         "ext-mbstring": "*",
         "ext-json": "*",
-        "predis/predis": "v1.1.9",
+        "predis/predis": "v2.3.0",
         "paragonie/random_compat": ">=2"
     },
     "minimum-stability": "stable",
diff --git a/composer.lock b/composer.lock
index 41f9438..f724f31 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ad3fb9bfb043b086870b317dc9eff9b7",
+    "content-hash": "401ff61cebe5223d003a47192d7c3d6a",
     "packages": [
         {
             "name": "paragonie/random_compat",
@@ -58,27 +58,28 @@
         },
         {
             "name": "predis/predis",
-            "version": "v1.1.9",
+            "version": "v2.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/predis/predis.git",
-                "reference": "c50c3393bb9f47fa012d0cdfb727a266b0818259"
+                "reference": "bac46bfdb78cd6e9c7926c697012aae740cb9ec9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/predis/predis/zipball/c50c3393bb9f47fa012d0cdfb727a266b0818259",
-                "reference": "c50c3393bb9f47fa012d0cdfb727a266b0818259",
+                "url": "https://api.github.com/repos/predis/predis/zipball/bac46bfdb78cd6e9c7926c697012aae740cb9ec9",
+                "reference": "bac46bfdb78cd6e9c7926c697012aae740cb9ec9",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.9"
+                "php": "^7.2 || ^8.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.8"
+                "friendsofphp/php-cs-fixer": "^3.3",
+                "phpstan/phpstan": "^1.9",
+                "phpunit/phpunit": "^8.0 || ^9.4"
             },
             "suggest": {
-                "ext-curl": "Allows access to Webdis when paired with phpiredis",
-                "ext-phpiredis": "Allows faster serialization and deserialization of the Redis protocol"
+                "ext-relay": "Faster connection with in-memory caching (>=0.6.2)"
             },
             "type": "library",
             "autoload": {
@@ -91,19 +92,13 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Daniele Alessandri",
-                    "email": "suppakilla@gmail.com",
-                    "homepage": "http://clorophilla.net",
-                    "role": "Creator & Maintainer"
-                },
                 {
                     "name": "Till Krüss",
                     "homepage": "https://till.im",
                     "role": "Maintainer"
                 }
             ],
-            "description": "Flexible and feature-complete Redis client for PHP and HHVM",
+            "description": "A flexible and feature-complete Redis client for PHP.",
             "homepage": "http://github.com/predis/predis",
             "keywords": [
                 "nosql",
@@ -112,7 +107,7 @@
             ],
             "support": {
                 "issues": "https://github.com/predis/predis/issues",
-                "source": "https://github.com/predis/predis/tree/v1.1.9"
+                "source": "https://github.com/predis/predis/tree/v2.3.0"
             },
             "funding": [
                 {
@@ -120,16 +115,19 @@
                     "type": "github"
                 }
             ],
-            "time": "2021-10-05T19:02:38+00:00"
+            "time": "2024-11-21T20:00:02+00:00"
         }
     ],
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": false,
     "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": [],
-    "plugin-api-version": "2.1.0"
+    "platform": {
+        "ext-mbstring": "*",
+        "ext-json": "*"
+    },
+    "platform-dev": {},
+    "plugin-api-version": "2.6.0"
 }
diff --git a/includes/common.inc.php b/includes/common.inc.php
index c13424b..a92a3ed 100644
--- a/includes/common.inc.php
+++ b/includes/common.inc.php
@@ -95,20 +95,20 @@
   $server['keys'] = $config['keys'];
 }
 
-if (!isset($config['scansize'])) {
-  $config['scansize'] = 1000;
-}
-
-if (!isset($config['scanmax'])) {
-  $config['scanmax'] = 0;
-}
-
 if (!isset($server['scansize'])) {
-  $server['scansize'] = $config['scansize'];
+  if (isset($config['scansize'])) {
+    $server['scansize'] = $config['scansize'];
+  } else {
+    $server['scansize'] = 1000;
+  }
 }
 
 if (!isset($server['scanmax'])) {
-  $server['scanmax'] = $config['scanmax'];
+  if (isset($config['scanmax'])) {
+    $server['scanmax'] = $config['scanmax'];
+  } else {
+    $server['scanmax'] = 0;
+  }
 }
 
 if (!isset($server['serialization'])) {
@@ -125,8 +125,8 @@
   $config['showEmptyNamespaceAsKey'] = false;
 }
 
-if (!isset($config['scheme']) || empty($config['scheme'])) {
-  $config['scheme'] = 'tcp';
+if (!isset($server['scheme']) || empty($server['scheme'])) {
+  $server['scheme'] = 'tcp';
 }
 
 // Setup a connection to Redis.