diff --git a/check_process b/check_process
index b3cdc64..4bd08b6 100644
--- a/check_process
+++ b/check_process
@@ -8,7 +8,7 @@
                 password="1Strong-Password"
 	; Checks
 		pkg_linter=1
-		setup_sub_dir=1
+		setup_sub_dir=0
 		setup_root=1
 		setup_nourl=0
 		setup_private=1
diff --git a/conf/app.src b/conf/app.src
index fa384d4..c5b41c0 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/invoiceninja/invoiceninja/releases/download/v5.3.1/invoiceninja.zip
-SOURCE_SUM=dbcd9fb8db31bc155e425d4c1548f14b23937f36fd3e01ed598057e11a6ef31d
+SOURCE_URL=https://github.com/invoiceninja/invoiceninja/releases/download/v5.3.39/invoiceninja.zip
+SOURCE_SUM=a8d644c4e4a6c3f6f9a1492af8818ea27ac3c1a8dfa32ca2deefe6089dcc9109
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=false
diff --git a/manifest.json b/manifest.json
index ff18ab9..e5ec69e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -35,12 +35,6 @@
                 "name": "domain",
                 "type": "domain"
             },
-            {
-                "name": "path",
-                "type": "path",
-                "example": "/",
-                "default": "/"
-            },
             {
                 "name": "admin",
                 "type": "user"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 9388454..53032f1 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -8,9 +8,8 @@ YNH_PHP_VERSION="7.4"
 
 # dependencies used by the app
 #pkg_dependencies="phantomjs gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 ca-certificates fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils wget"
-pkg_dependencies="phantomjs"
 
-extra_php_dependencies="php${YNH_PHP_VERSION}-bcmath php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-fileinfo php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-pdo php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-mysql"
+pkg_dependencies="phantomjs php${YNH_PHP_VERSION}-bcmath php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-fileinfo php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-pdo php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-mysql"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index c1f9152..69e0409 100755
--- a/scripts/install
+++ b/scripts/install
@@ -21,7 +21,7 @@ ynh_abort_if_errors
 #=================================================
 
 domain=$YNH_APP_ARG_DOMAIN
-path_url=$YNH_APP_ARG_PATH
+path_url="/"
 admin=$YNH_APP_ARG_ADMIN
 language=$YNH_APP_ARG_LANGUAGE
 is_public=$YNH_APP_ARG_IS_PUBLIC
@@ -115,7 +115,7 @@ ynh_add_nginx_config
 ynh_script_progression --message="Configuring PHP-FPM..."
 
 # Create a dedicated php-fpm config
-ynh_add_fpm_config --package="$extra_php_dependencies"
+ynh_add_fpm_config
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
@@ -133,7 +133,6 @@ pushd "$final_path"
 popd
 ynh_app_setting_set --app=$app --key=app_key --value=$app_key
 
-
 chmod 400 "$final_path/.env"
 chown $app:$app "$final_path/.env"
 
diff --git a/scripts/remove b/scripts/remove
index a46c348..563f4eb 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -32,14 +32,6 @@ ynh_script_progression --message="Removing the MySQL database..."
 # 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..."
-
-# Remove metapackage and its dependencies
-#ynh_remove_app_dependencies
-
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
@@ -61,9 +53,17 @@ ynh_remove_nginx_config
 #=================================================
 ynh_script_progression --message="Removing PHP-FPM configuration..."
 
-# Remove the dedicated php-fpm config
+# Remove the dedicated PHP-FPM config
 ynh_remove_fpm_config
 
+#=================================================
+# REMOVE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Removing dependencies..."
+
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
+
 #=================================================
 # SPECIFIC REMOVE
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 0875bdd..2028b66 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -33,11 +33,6 @@ db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
-#=================================================
-# CHECK IF THE APP CAN BE RESTORED
-#=================================================
-ynh_script_progression --message="Validating restoration parameters..."
-
 #=================================================
 # STANDARD RESTORATION STEPS
 #=================================================
@@ -73,8 +68,6 @@ ynh_script_progression --message="Restoring the PHP-FPM configuration..."
 
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
-ynh_add_fpm_config --package="$extra_php_dependencies"
-
 #=================================================
 # RESTORE THE MYSQL DATABASE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index c3c65f4..cb7e9e3 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,6 +21,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 language=$(ynh_app_setting_get --app=$app --key=language)
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
@@ -33,7 +34,6 @@ email_firstname=$(ynh_app_setting_get --app=$app --key=email_firstname)
 email_lastname=$(ynh_app_setting_get --app=$app --key=email_lastname)
 email=$(ynh_app_setting_get --app=$app --key=email)
 
-
 #=================================================
 # CHECK VERSION
 #=================================================
@@ -74,12 +74,6 @@ then
 	ynh_setup_source --dest_dir="$final_path" --keep=".env"
 fi
 
-# FIXME: this should be managed by the core in the future
-# Here, as a packager, you may have to tweak the ownerhsip/permissions
-# such that the appropriate users (e.g. maybe www-data) can access
-# files in some cases.
-# But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
-# this will be treated as a security issue.
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
@@ -107,15 +101,14 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..."
 
 # Create a dedicated nginx config
 ynh_add_nginx_config
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
 ynh_script_progression --message="Upgrading PHP-FPM configuration..."
 
-# Create a dedicated php-fpm config
-ynh_add_fpm_config --package="$extra_php_dependencies"
+# Create a dedicated PHP-FPM config
+ynh_add_fpm_config
 
 #=================================================
 # UPDATE A CONFIG FILE