diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 7e73c6a..30f65cb 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -21,8 +21,8 @@ class Configuration implements ConfigurationInterface
             ->addDefaultsIfNotSet()
             ->children()
                 ->scalarNode('length')->defaultValue(5)->end()
-                ->scalarNode('width')->defaultValue(120)->end()
-                ->scalarNode('height')->defaultValue(40)->end()
+                ->scalarNode('width')->defaultValue(130)->end()
+                ->scalarNode('height')->defaultValue(50)->end()
                 ->scalarNode('font')->defaultValue(__DIR__.'/../Generator/Font/captcha.ttf')->end()
                 ->scalarNode('keep_value')->defaultValue(false)->end()
                 ->scalarNode('charset')->defaultValue('abcdefhjkmnprstuvwxyz23456789')->end()
@@ -33,7 +33,7 @@ class Configuration implements ConfigurationInterface
                 ->scalarNode('web_path')->defaultValue('%kernel.root_dir%/../web')->end()
                 ->scalarNode('gc_freq')->defaultValue(100)->end()
                 ->scalarNode('expiration')->defaultValue(60)->end()
-                ->scalarNode('quality')->defaultValue(15)->end()
+                ->scalarNode('quality')->defaultValue(30)->end()
                 ->scalarNode('invalid_message')->defaultValue('Bad code value')->end()
                 ->scalarNode('bypass_code')->defaultValue(null)->end()
                 ->scalarNode('whitelist_key')->defaultValue('captcha_whitelist_key')->end()