diff --git a/scripts/_common.sh b/scripts/_common.sh
index 324ffdf2..1289da95 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -9,6 +9,8 @@ pkg_dependencies="postgresql redis-server libgd3 jpegoptim optipng pngquant ffmp
 
 YNH_PHP_VERSION="7.3"
 
+YNH_COMPOSER_VERSION="2.1.5"
+
 extra_php_dependencies="php${YNH_PHP_VERSION}-bcmath php${YNH_PHP_VERSION}-cli php${YNH_PHP_VERSION}-ctype php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-exif php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-iconv php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-redis php${YNH_PHP_VERSION}-tokenizer php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-pdo php${YNH_PHP_VERSION}-pgsql php${YNH_PHP_VERSION}-fileinfo php${YNH_PHP_VERSION}-imagick"
 
 #=================================================