diff --git a/Dockerfile b/Dockerfile
index fd99670..d8530ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,8 +5,8 @@ FROM php:7.3-apache
 ENV APACHE_DOCUMENT_ROOT /var/www/html/public
 
 RUN apt-get update \
-    && apt-get install -y git libpq-dev unzip \
-    && docker-php-ext-install pdo_pgsql \
+    && apt-get install -y git libpq-dev unzip libicu-dev \
+    && docker-php-ext-install pdo_pgsql intl \
     && pecl install xdebug \
     && curl -sS https://getcomposer.org/installer | php \
     && mv composer.phar /usr/local/bin/composer \