diff --git a/scripts/_common.sh b/scripts/_common.sh
index 7b7f25e..d3459c4 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -8,6 +8,9 @@ YNH_PHP_VERSION=7.3
 
 extra_php_dependencies="php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-imagick php${YNH_PHP_VERSION}-bcmath php${YNH_PHP_VERSION}-exif php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-mysqli php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-zip"
 
+# needed for raw upload
+pkg_dependencies="ufraw-batch"
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 991290f..356c65d 100755
--- a/scripts/install
+++ b/scripts/install
@@ -48,6 +48,13 @@ ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=is_public --value=$is_public
 
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Installing dependencies..." --weight=3
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # CREATE A MYSQL DATABASE
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 066fa3f..17553ec 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -41,6 +41,14 @@ ynh_script_progression --message="Removing the MySQL database..." --weight=2
 # Remove a database if it exists, along with the associated user
 ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
 
+#=================================================
+# REMOVE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Removing dependencies..." --weight=1
+
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
+
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index a7d6c7d..fe5f82e 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -69,7 +69,7 @@ ynh_system_user_create --username=$app
 ynh_script_progression --message="Restoring Lychee data..."
 
 # Use --not_mandatory for the data directory, because if the backup has been made with BACKUP_CORE_ONLY, there's no data into the backup.
-ynh_restore_file --origin_path="$public_path" --not_mandatory
+ynh_restore_file --origin_path=$public_path --not_mandatory
 
 #=================================================
 # RESTORE USER RIGHTS
@@ -80,6 +80,14 @@ chown -R $app: $final_path
 chown -R $app: $public_path
 chmod -R 750 $public_path
 
+#=================================================
+# REINSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Reinstalling dependencies..." --weight=7
+
+# Define and install dependencies
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index f9efbe0..dfe8903 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -82,10 +82,11 @@ ynh_clean_setup () {
 ynh_abort_if_errors
 
 #=================================================
-# CHECK THE PATH
+# UPGRADE DEPENDENCIES
 #=================================================
+ynh_script_progression --message="Upgrading dependencies..." --weight=3
 
-path_url=$(ynh_normalize_url_path --path_url=$path_url)
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE