diff --git a/Adapter/PhpArrayAdapter.php b/Adapter/PhpArrayAdapter.php
index 3967803..cb446ba 100644
--- a/Adapter/PhpArrayAdapter.php
+++ b/Adapter/PhpArrayAdapter.php
@@ -324,7 +324,7 @@ public function warmUp(array $values): array
 
         file_put_contents($tmpFile, $dump);
         @chmod($tmpFile, 0o666 & ~umask());
-        unset($serialized, $value, $dump);
+        unset($value, $dump);
 
         @rename($tmpFile, $this->file);
         unset(self::$valuesCache[$this->file]);
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 82fc7a0..a47cf84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,7 @@ CHANGELOG
 7.4
 ---
 
- * Bump ext-redis to 6.2 and ext-relay to 0.12 minimum
+ * Bump ext-redis to 6.1 and ext-relay to 0.12 minimum
 
 7.3
 ---
diff --git a/Traits/Redis62ProxyTrait.php b/Traits/Redis62ProxyTrait.php
new file mode 100644
index 0000000..d29466c
--- /dev/null
+++ b/Traits/Redis62ProxyTrait.php
@@ -0,0 +1,52 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Traits;
+
+if (version_compare(phpversion('redis'), '6.2.0', '>=')) {
+    /**
+     * @internal
+     */
+    trait Redis62ProxyTrait
+    {
+        public function expiremember($key, $field, $ttl, $unit = null): \Redis|false|int
+        {
+            return $this->initializeLazyObject()->expiremember(...\func_get_args());
+        }
+
+        public function expirememberat($key, $field, $timestamp): \Redis|false|int
+        {
+            return $this->initializeLazyObject()->expirememberat(...\func_get_args());
+        }
+
+        public function getWithMeta($key): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->getWithMeta(...\func_get_args());
+        }
+
+        public function serverName(): false|string
+        {
+            return $this->initializeLazyObject()->serverName(...\func_get_args());
+        }
+
+        public function serverVersion(): false|string
+        {
+            return $this->initializeLazyObject()->serverVersion(...\func_get_args());
+        }
+    }
+} else {
+    /**
+     * @internal
+     */
+    trait Redis62ProxyTrait
+    {
+    }
+}
diff --git a/Traits/Redis63ProxyTrait.php b/Traits/Redis63ProxyTrait.php
new file mode 100644
index 0000000..4925420
--- /dev/null
+++ b/Traits/Redis63ProxyTrait.php
@@ -0,0 +1,162 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Traits;
+
+if (version_compare(phpversion('redis'), '6.3.0', '>=')) {
+    /**
+     * @internal
+     */
+    trait Redis63ProxyTrait
+    {
+        public function delifeq($key, $value): \Redis|int|false
+        {
+            return $this->initializeLazyObject()->delifeq(...\func_get_args());
+        }
+
+        public function hexpire($key, $ttl, $fields, $mode = null): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hexpire(...\func_get_args());
+        }
+
+        public function hexpireat($key, $time, $fields, $mode = null): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hexpireat(...\func_get_args());
+        }
+
+        public function hexpiretime($key, $fields): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hexpiretime(...\func_get_args());
+        }
+
+        public function hgetdel($key, $fields): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hgetdel(...\func_get_args());
+        }
+
+        public function hgetex($key, $fields, $expiry = null): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hgetex(...\func_get_args());
+        }
+
+        public function hGetWithMeta($key, $member): mixed
+        {
+            return $this->initializeLazyObject()->hGetWithMeta(...\func_get_args());
+        }
+
+        public function hpersist($key, $fields): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hpersist(...\func_get_args());
+        }
+
+        public function hpexpire($key, $ttl, $fields, $mode = null): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hpexpire(...\func_get_args());
+        }
+
+        public function hpexpireat($key, $mstime, $fields, $mode = null): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hpexpireat(...\func_get_args());
+        }
+
+        public function hpexpiretime($key, $fields): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hpexpiretime(...\func_get_args());
+        }
+
+        public function hpttl($key, $fields): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->hpttl(...\func_get_args());
+        }
+
+        public function hsetex($key, $fields, $expiry = null): \Redis|int|false
+        {
+            return $this->initializeLazyObject()->hsetex(...\func_get_args());
+        }
+
+        public function httl($key, $fields): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->httl(...\func_get_args());
+        }
+
+        public function vadd($key, $values, $element, $options = null): \Redis|int|false
+        {
+            return $this->initializeLazyObject()->vadd(...\func_get_args());
+        }
+
+        public function vcard($key): \Redis|int|false
+        {
+            return $this->initializeLazyObject()->vcard(...\func_get_args());
+        }
+
+        public function vdim($key): \Redis|int|false
+        {
+            return $this->initializeLazyObject()->vdim(...\func_get_args());
+        }
+
+        public function vemb($key, $member, $raw = false): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->vemb(...\func_get_args());
+        }
+
+        public function vgetattr($key, $member, $decode = true): \Redis|array|string|false
+        {
+            return $this->initializeLazyObject()->vgetattr(...\func_get_args());
+        }
+
+        public function vinfo($key): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->vinfo(...\func_get_args());
+        }
+
+        public function vismember($key, $member): \Redis|bool
+        {
+            return $this->initializeLazyObject()->vismember(...\func_get_args());
+        }
+
+        public function vlinks($key, $member, $withscores = false): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->vlinks(...\func_get_args());
+        }
+
+        public function vrandmember($key, $count = 0): \Redis|array|string|false
+        {
+            return $this->initializeLazyObject()->vrandmember(...\func_get_args());
+        }
+
+        public function vrange($key, $min, $max, $count = -1): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->vrange(...\func_get_args());
+        }
+
+        public function vrem($key, $member): \Redis|int|false
+        {
+            return $this->initializeLazyObject()->vrem(...\func_get_args());
+        }
+
+        public function vsetattr($key, $member, $attributes): \Redis|int|false
+        {
+            return $this->initializeLazyObject()->vsetattr(...\func_get_args());
+        }
+
+        public function vsim($key, $member, $options = null): \Redis|array|false
+        {
+            return $this->initializeLazyObject()->vsim(...\func_get_args());
+        }
+    }
+} else {
+    /**
+     * @internal
+     */
+    trait Redis63ProxyTrait
+    {
+    }
+}
diff --git a/Traits/RedisCluster62ProxyTrait.php b/Traits/RedisCluster62ProxyTrait.php
new file mode 100644
index 0000000..e96dee4
--- /dev/null
+++ b/Traits/RedisCluster62ProxyTrait.php
@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Traits;
+
+if (version_compare(phpversion('redis'), '6.2.0', '>=')) {
+    /**
+     * @internal
+     */
+    trait RedisCluster62ProxyTrait
+    {
+        public function expiremember($key, $field, $ttl, $unit = null): \Redis|false|int
+        {
+            return $this->initializeLazyObject()->expiremember(...\func_get_args());
+        }
+
+        public function expirememberat($key, $field, $timestamp): \Redis|false|int
+        {
+            return $this->initializeLazyObject()->expirememberat(...\func_get_args());
+        }
+
+        public function getdel($key): mixed
+        {
+            return $this->initializeLazyObject()->getdel(...\func_get_args());
+        }
+
+        public function getWithMeta($key): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->getWithMeta(...\func_get_args());
+        }
+    }
+} else {
+    /**
+     * @internal
+     */
+    trait RedisCluster62ProxyTrait
+    {
+    }
+}
diff --git a/Traits/RedisCluster63ProxyTrait.php b/Traits/RedisCluster63ProxyTrait.php
new file mode 100644
index 0000000..1ea8d3a
--- /dev/null
+++ b/Traits/RedisCluster63ProxyTrait.php
@@ -0,0 +1,162 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Traits;
+
+if (version_compare(phpversion('redis'), '6.3.0', '>=')) {
+    /**
+     * @internal
+     */
+    trait RedisCluster63ProxyTrait
+    {
+        public function delifeq($key, $value): \RedisCluster|int|false
+        {
+            return $this->initializeLazyObject()->delifeq(...\func_get_args());
+        }
+
+        public function hexpire($key, $ttl, $fields, $mode = null): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hexpire(...\func_get_args());
+        }
+
+        public function hexpireat($key, $time, $fields, $mode = null): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hexpireat(...\func_get_args());
+        }
+
+        public function hexpiretime($key, $fields): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hexpiretime(...\func_get_args());
+        }
+
+        public function hgetdel($key, $fields): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hgetdel(...\func_get_args());
+        }
+
+        public function hgetex($key, $fields, $expiry = null): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hgetex(...\func_get_args());
+        }
+
+        public function hgetWithMeta($key, $member): mixed
+        {
+            return $this->initializeLazyObject()->hgetWithMeta(...\func_get_args());
+        }
+
+        public function hpersist($key, $fields): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hpersist(...\func_get_args());
+        }
+
+        public function hpexpire($key, $ttl, $fields, $mode = null): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hpexpire(...\func_get_args());
+        }
+
+        public function hpexpireat($key, $mstime, $fields, $mode = null): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hpexpireat(...\func_get_args());
+        }
+
+        public function hpexpiretime($key, $fields): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hpexpiretime(...\func_get_args());
+        }
+
+        public function hpttl($key, $fields): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->hpttl(...\func_get_args());
+        }
+
+        public function hsetex($key, $fields, $expiry = null): \RedisCluster|int|false
+        {
+            return $this->initializeLazyObject()->hsetex(...\func_get_args());
+        }
+
+        public function httl($key, $fields): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->httl(...\func_get_args());
+        }
+
+        public function vadd($key, $values, $element, $options = null): \RedisCluster|int|false
+        {
+            return $this->initializeLazyObject()->vadd(...\func_get_args());
+        }
+
+        public function vcard($key): \RedisCluster|int|false
+        {
+            return $this->initializeLazyObject()->vcard(...\func_get_args());
+        }
+
+        public function vdim($key): \RedisCluster|int|false
+        {
+            return $this->initializeLazyObject()->vdim(...\func_get_args());
+        }
+
+        public function vemb($key, $member, $raw = false): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->vemb(...\func_get_args());
+        }
+
+        public function vgetattr($key, $member, $decode = true): \RedisCluster|array|string|false
+        {
+            return $this->initializeLazyObject()->vgetattr(...\func_get_args());
+        }
+
+        public function vinfo($key): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->vinfo(...\func_get_args());
+        }
+
+        public function vismember($key, $member): \RedisCluster|bool
+        {
+            return $this->initializeLazyObject()->vismember(...\func_get_args());
+        }
+
+        public function vlinks($key, $member, $withscores = false): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->vlinks(...\func_get_args());
+        }
+
+        public function vrandmember($key, $count = 0): \RedisCluster|array|string|false
+        {
+            return $this->initializeLazyObject()->vrandmember(...\func_get_args());
+        }
+
+        public function vrange($key, $min, $max, $count = -1): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->vrange(...\func_get_args());
+        }
+
+        public function vrem($key, $member): \RedisCluster|int|false
+        {
+            return $this->initializeLazyObject()->vrem(...\func_get_args());
+        }
+
+        public function vsetattr($key, $member, $attributes): \RedisCluster|int|false
+        {
+            return $this->initializeLazyObject()->vsetattr(...\func_get_args());
+        }
+
+        public function vsim($key, $member, $options = null): \RedisCluster|array|false
+        {
+            return $this->initializeLazyObject()->vsim(...\func_get_args());
+        }
+    }
+} else {
+    /**
+     * @internal
+     */
+    trait RedisCluster63ProxyTrait
+    {
+    }
+}
diff --git a/Traits/RedisClusterProxy.php b/Traits/RedisClusterProxy.php
index 2cde053..5dd798e 100644
--- a/Traits/RedisClusterProxy.php
+++ b/Traits/RedisClusterProxy.php
@@ -24,6 +24,8 @@ class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);
  */
 class RedisClusterProxy extends \RedisCluster implements ResetInterface, LazyObjectInterface
 {
+    use RedisCluster62ProxyTrait;
+    use RedisCluster63ProxyTrait;
     use RedisProxyTrait {
         resetLazyObject as reset;
     }
@@ -273,16 +275,6 @@ public function expireat($key, $timestamp, $mode = null): \RedisCluster|bool
         return $this->initializeLazyObject()->expireat(...\func_get_args());
     }
 
-    public function expiremember($key, $field, $ttl, $unit = null): \Redis|false|int
-    {
-        return $this->initializeLazyObject()->expiremember(...\func_get_args());
-    }
-
-    public function expirememberat($key, $field, $timestamp): \Redis|false|int
-    {
-        return $this->initializeLazyObject()->expirememberat(...\func_get_args());
-    }
-
     public function expiretime($key): \RedisCluster|false|int
     {
         return $this->initializeLazyObject()->expiretime(...\func_get_args());
@@ -353,21 +345,11 @@ public function get($key): mixed
         return $this->initializeLazyObject()->get(...\func_get_args());
     }
 
-    public function getWithMeta($key): \RedisCluster|array|false
-    {
-        return $this->initializeLazyObject()->getWithMeta(...\func_get_args());
-    }
-
     public function getbit($key, $value): \RedisCluster|false|int
     {
         return $this->initializeLazyObject()->getbit(...\func_get_args());
     }
 
-    public function getdel($key): mixed
-    {
-        return $this->initializeLazyObject()->getdel(...\func_get_args());
-    }
-
     public function getex($key, $options = []): \RedisCluster|false|string
     {
         return $this->initializeLazyObject()->getex(...\func_get_args());
diff --git a/Traits/RedisProxy.php b/Traits/RedisProxy.php
index 6c75c9a..7742b5c 100644
--- a/Traits/RedisProxy.php
+++ b/Traits/RedisProxy.php
@@ -24,6 +24,8 @@ class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);
  */
 class RedisProxy extends \Redis implements ResetInterface, LazyObjectInterface
 {
+    use Redis62ProxyTrait;
+    use Redis63ProxyTrait;
     use RedisProxyTrait {
         resetLazyObject as reset;
     }
@@ -273,16 +275,6 @@ public function expireAt($key, $timestamp, $mode = null): \Redis|bool
         return $this->initializeLazyObject()->expireAt(...\func_get_args());
     }
 
-    public function expiremember($key, $field, $ttl, $unit = null): \Redis|false|int
-    {
-        return $this->initializeLazyObject()->expiremember(...\func_get_args());
-    }
-
-    public function expirememberat($key, $field, $timestamp): \Redis|false|int
-    {
-        return $this->initializeLazyObject()->expirememberat(...\func_get_args());
-    }
-
     public function expiretime($key): \Redis|false|int
     {
         return $this->initializeLazyObject()->expiretime(...\func_get_args());
@@ -448,11 +440,6 @@ public function getTransferredBytes(): array
         return $this->initializeLazyObject()->getTransferredBytes(...\func_get_args());
     }
 
-    public function getWithMeta($key): \Redis|array|false
-    {
-        return $this->initializeLazyObject()->getWithMeta(...\func_get_args());
-    }
-
     public function getset($key, $value): \Redis|false|string
     {
         return $this->initializeLazyObject()->getset(...\func_get_args());
@@ -913,16 +900,6 @@ public function select($db): \Redis|bool
         return $this->initializeLazyObject()->select(...\func_get_args());
     }
 
-    public function serverName(): false|string
-    {
-        return $this->initializeLazyObject()->serverName(...\func_get_args());
-    }
-
-    public function serverVersion(): false|string
-    {
-        return $this->initializeLazyObject()->serverVersion(...\func_get_args());
-    }
-
     public function set($key, $value, $options = null): \Redis|bool|string
     {
         return $this->initializeLazyObject()->set(...\func_get_args());
diff --git a/Traits/RedisTrait.php b/Traits/RedisTrait.php
index 918336a..97233ed 100644
--- a/Traits/RedisTrait.php
+++ b/Traits/RedisTrait.php
@@ -193,7 +193,7 @@ public static function createConnection(#[\SensitiveParameter] string $dsn, arra
         }
 
         if (isset($params['sentinel']) && !class_exists(\Predis\Client::class) && !class_exists(\RedisSentinel::class) && !class_exists(Sentinel::class)) {
-            throw new CacheException('Redis Sentinel support requires one of: "predis/predis", "ext-redis >= 5.2", "ext-relay".');
+            throw new CacheException('Redis Sentinel support requires one of: "predis/predis", "ext-redis >= 6.1", "ext-relay".');
         }
 
         foreach (['lazy', 'persistent', 'cluster'] as $option) {
@@ -224,7 +224,7 @@ public static function createConnection(#[\SensitiveParameter] string $dsn, arra
         };
 
         if (isset($params['sentinel']) && !is_a($class, \Predis\Client::class, true) && !class_exists(\RedisSentinel::class) && !class_exists(Sentinel::class)) {
-            throw new CacheException(\sprintf('Cannot use Redis Sentinel: class "%s" does not extend "Predis\Client" and neither ext-redis >= 5.2 nor ext-relay have been found.', $class));
+            throw new CacheException(\sprintf('Cannot use Redis Sentinel: class "%s" does not extend "Predis\Client" and neither ext-redis >= 6.1 nor ext-relay have been found.', $class));
         }
 
         $isRedisExt = is_a($class, \Redis::class, true);
diff --git a/composer.json b/composer.json
index 59aab53..ae8f11a 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
         "symfony/var-dumper": "^7.4|^8.0"
     },
     "conflict": {
-        "ext-redis": "<6.2",
+        "ext-redis": "<6.1",
         "ext-relay": "<0.12.1",
         "doctrine/dbal": "<4.3"
     },