diff --git a/Dockerfile b/Dockerfile
index e1e2417..5914f14 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,10 +9,9 @@ RUN a2enmod rewrite
 
 RUN docker-php-ext-install pdo_mysql && docker-php-ext-enable pdo_mysql
 RUN docker-php-ext-install opcache && docker-php-ext-enable opcache
-RUN install-php-extensions redis && docker-php-ext-enable redis
+RUN install-php-extensions redis mbstring && docker-php-ext-enable redis mbstring
 RUN docker-php-ext-install exif && docker-php-ext-enable exif
 RUN docker-php-ext-install gmp && docker-php-ext-enable gmp
-RUN docker-php-ext-install mbstring && docker-php-ext-enable mbstring
 RUN docker-php-ext-install mysqli && docker-php-ext-enable mysqli
 RUN docker-php-ext-install curl && docker-php-ext-enable curl
 RUN docker-php-ext-install gd && docker-php-ext-enable gd