diff --git a/Dockerfile b/Dockerfile
index 9fc9d05..cfd6be1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,10 +17,10 @@ RUN a2enconf zz_prod
 RUN docker-php-ext-configure opcache && docker-php-ext-install -j$(nproc) opcache
 
 ## pgsql
-RUN apt-get update && apt-get install -y libpq-dev && docker-php-ext-configure pgsql && docker-php-ext-install pgsql
+RUN apt-get install -y libpq-dev && docker-php-ext-configure pgsql && docker-php-ext-install pgsql
 
 ## zip
-RUN apt-get update && apt-get install -y libzip-dev && docker-php-ext-configure zip && docker-php-ext-install zip
+RUN apt-get install -y libzip-dev && docker-php-ext-configure zip && docker-php-ext-install zip
 
 # composer
 RUN curl https://getcomposer.org/installer --output /tmp/composer-setup.php && php /tmp/composer-setup.php --install-dir=/tmp && mv /tmp/composer.phar /usr/local/bin/composer
@@ -28,6 +28,9 @@ RUN curl https://getcomposer.org/installer --output /tmp/composer-setup.php && p
 # mysqli
 RUN docker-php-ext-configure mysqli && docker-php-ext-install mysqli
 
+# intl
+RUN apt-get install -y libicu-dev && docker-php-ext-configure intl && docker-php-ext-install intl
+
 # replace IP with X-Forwarded-For Header in Logs
 RUN sed -i 's/^\(LogFormat .*\)%h/\1%{X-Forwarded-For}i/g' /etc/apache2/apache2.conf