diff --git a/scripts/_common.sh b/scripts/_common.sh
index 11dd26b..684744b 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,6 +4,8 @@
 # COMMON VARIABLES
 #=================================================
 
+YNH_PHP_VERSION="7.4"
+
 # dependencies used by the app
 pkg_dependencies="php$YNH_DEFAULT_PHP_VERSION-tidy php$YNH_DEFAULT_PHP_VERSION-intl php$YNH_DEFAULT_PHP_VERSION-mbstring php$YNH_DEFAULT_PHP_VERSION-xml php$YNH_DEFAULT_PHP_VERSION-gd php$YNH_DEFAULT_PHP_VERSION-curl php$YNH_DEFAULT_PHP_VERSION-mysql"