diff --git a/Dockerfile b/Dockerfile
index 19655e4..71960a4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ RUN apt-get update \
     && docker-php-ext-install -j$(nproc) ldap gd
 
 COPY composer.local.json /var/www/html/
-COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
+COPY --from=composer:1 /usr/bin/composer /usr/bin/composer
 RUN cd /var/www/html/ && composer update --no-dev
 
 # Needed for making branch name from MEDIAWIKI_MAJOR_VERSION