diff --git a/.gitlab-ci.sh b/.gitlab-ci.sh
index 2e52d64c..52840f9d 100644
--- a/.gitlab-ci.sh
+++ b/.gitlab-ci.sh
@@ -12,7 +12,7 @@ apt-get install git libcurl4-gnutls-dev libicu-dev libmcrypt-dev libvpx-dev libj
 docker-php-ext-install mbstring pdo_mysql curl json intl gd xml zip bz2 opcache
 
 # Install Composer and project dependencies.
-RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
+curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
 composer update 
 
 # Copy over testing configuration.