diff --git a/Dockerfile b/Dockerfile
index 9301d92..4960985 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM php:7.1-apache
 ENV APACHE_DOCUMENT_ROOT /var/www/html/public
 
 RUN apt-get update \
-    && apt-get install -y git libpq-dev \
+    && apt-get install -y git libpq-dev unzip \
     && docker-php-ext-install pdo_pgsql \
     && curl -sS https://getcomposer.org/installer | php \
     && mv composer.phar /usr/local/bin/composer \