diff --git a/dockerfile b/dockerfile
index 378e950..cb7c7ae 100644
--- a/dockerfile
+++ b/dockerfile
@@ -26,7 +26,8 @@ RUN apt install -y fluidsynth
 
 # Install composer for php dependencies
 #######################################
-RUN curl https://getcomposer.org/composer-2.phar > composer.phar && mv composer.phar /usr/local/bin/composer && chmod +x /usr/local/bin/composer
+
+RUN curl https://getcomposer.org/download/2.1.14/composer.phar > composer.phar && mv composer.phar /usr/local/bin/composer && chmod +x /usr/local/bin/composer
 RUN cd /var/www/html && COMPOSER=composer.local.json composer require --no-update mediawiki/maps:~8.0
 
 ############################################################