diff --git a/scripts/_common.sh b/scripts/_common.sh
index 970cf36..d9237d1 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,10 +7,10 @@
 YNH_PHP_VERSION="8.0"
 
 # Package dependencies
-pkg_dependencies="php-pear php${YNH_PHP_VERSION}-ldap php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-cli php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-dom php${YNH_PHP_VERSION}-curl"
+pkg_dependencies="php-pear php${YNH_PHP_VERSION}-ldap php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-cli php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-dom php${YNH_PHP_VERSION}-curl"
 
 # Composer version
-YNH_COMPOSER_VERSION=2.3.7
+YNH_COMPOSER_VERSION=2.3.10
 
 # Plugins version
 contextmenu_version=3.3.1
diff --git a/scripts/backup b/scripts/backup
index 3167c87..6f4f9c1 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -26,7 +26,7 @@ app=$YNH_APP_INSTANCE_NAME
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-phpversion=$YNH_PHP_VERSION
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
diff --git a/scripts/upgrade b/scripts/upgrade
index cbf0e91..0acf609 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -172,6 +172,10 @@ then
     #=================================================
     ynh_script_progression --message="Updating dependencies with Composer..." --weight=30
 
+    # Install composer.json
+    cp "$final_path/composer.json-dist" "$final_path/composer.json"
+
+
     # Upgrade composer itself
     ynh_install_composer