diff --git a/.env.docker.example b/.env.docker.example
index e0e8d9d..3662f9f 100644
--- a/.env.docker.example
+++ b/.env.docker.example
@@ -55,6 +55,8 @@ DB_MAX_CONNECTIONS=10
 DB_IDLE_TIMEOUT=60
 #   Recent data will be stored in memory this amount of time:
 DB_CACHE_TTL="+5 minutes"
+# Options: serialize, igbinary
+DB_SERIALIZER=serialize
 # Enable to add cache info about users to database. Disable if you only read data from channels.
 DB_ENABLE_MIN_DATABASE=0
 # Enable file metadata cache
diff --git a/.env.example b/.env.example
index c8bd3fd..cab1087 100644
--- a/.env.example
+++ b/.env.example
@@ -54,6 +54,8 @@ DB_MAX_CONNECTIONS=10
 DB_IDLE_TIMEOUT=60
 #   Recent data will be stored in memory this amount of time:
 DB_CACHE_TTL="+5 minutes"
+# Options: serialize, igbinary
+DB_SERIALIZER=serialize
 # Enable to add cache info about users to database. Disable if you only read data from channels.
 DB_ENABLE_MIN_DATABASE=0
 # Enable file metadata cache
diff --git a/Dockerfile b/Dockerfile
index 043ed94..2c778b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,8 +7,8 @@ RUN true \
     && docker-php-ext-install -j$(nproc) sockets bcmath mysqli pdo_mysql pcntl ffi intl gmp zip gd \
     # Install additional extension
     && mkdir -p /usr/src/php/ext/ && cd /usr/src/php/ext/ \
-    && pecl bundle ev-beta && pecl bundle eio-beta \
-    && docker-php-ext-install -j$(nproc) ev eio \
+    && pecl bundle ev-beta && pecl bundle eio-beta && pecl bundle igbinary \
+    && docker-php-ext-install -j$(nproc) ev eio igbinary \
     # Install PrimeModule for AuthKey generation speedup
     && git clone https://github.com/danog/PrimeModule-ext \
     && cd PrimeModule-ext && make -j$(nproc) \
diff --git a/config.php b/config.php
index 6b70050..5e3a45f 100644
--- a/config.php
+++ b/config.php
@@ -50,7 +50,7 @@
                 'max_connections' => (int)getenv('DB_MAX_CONNECTIONS'),
                 'idle_timeout' => (int)getenv('DB_IDLE_TIMEOUT'),
                 'cache_ttl' => (string)getenv('DB_CACHE_TTL'),
-                'serializer' => danog\MadelineProto\Settings\Database\SerializerType::from('serialize'),
+                'serializer' => ((string)getenv('DB_SERIALIZER')) ?: 'serialize',
             ]
         ],
         'files' => [
diff --git a/src/Client.php b/src/Client.php
index 8b09594..bc6c2a3 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -5,6 +5,7 @@
 use danog\MadelineProto\API;
 use danog\MadelineProto\APIWrapper;
 use danog\MadelineProto\Settings;
+use danog\MadelineProto\Settings\Database\SerializerType;
 use danog\MadelineProto\SettingsAbstract;
 use InvalidArgumentException;
 use Psr\Log\LogLevel;
@@ -187,6 +188,9 @@ private static function getSettingsFromArray(string $session, array $settings, S
                 $method = 'get' . ucfirst(str_replace('_', '', ucwords($key, '_')));
                 self::getSettingsFromArray($session, $value, $settingsObject->$method());
             } else {
+                if ($key === 'serializer' && is_string($value)) {
+                    $value = SerializerType::from($value);
+                }
                 $method = 'set' . ucfirst(str_replace('_', '', ucwords($key, '_')));
                 $settingsObject->$method($value);
             }