diff --git a/php7-fpm/Dockerfile b/php7-fpm/Dockerfile
index 6737810b..9106a132 100644
--- a/php7-fpm/Dockerfile
+++ b/php7-fpm/Dockerfile
@@ -7,7 +7,8 @@ MAINTAINER Maxence POUTORD <maxence.poutord@gmail.com>
 RUN apt-get update && apt-get install -y \
     openssl \
     git \
-    unzip
+    unzip \
+    libicu-dev
 
 # Install Composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
@@ -19,7 +20,7 @@ RUN printf '[PHP]\ndate.timezone = "%s"\n', ${TIMEZONE} > /usr/local/etc/php/con
 RUN "date"
 
 # Type docker-php-ext-install to see available extensions
-RUN docker-php-ext-install pdo pdo_mysql
+RUN docker-php-ext-install pdo pdo_mysql intl
 
 
 # install xdebug