diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
new file mode 100644
index 0000000..e69de29
diff --git a/doc/screenshots/screenshot.jpg b/doc/screenshots/screenshot.jpg
new file mode 100644
index 0000000..bfc7481
Binary files /dev/null and b/doc/screenshots/screenshot.jpg differ
diff --git a/manifest.json b/manifest.json
index 9ce297d..ec6bd86 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,8 +6,16 @@
         "en": "Photo-management-system to manage and share photos.",
         "fr": "Système de gestion de photos pour gérer et partager des photos."
     },
-    "version": "4.3~ynh1",
+    "version": "4.3~ynh2",
     "url": "https://lycheeorg.github.io/",
+    "upstream": {
+        "license": "MIT",
+        "website": "https://lycheeorg.github.io/",
+        "demo": "https://lycheeorg.github.io/demo/",
+        "admindoc": "https://lycheeorg.github.io/docs/",
+        "userdoc": "https://yunohost.org/en/app_lychee",
+        "code": "https://github.com/LycheeOrg/Lychee"
+    },
     "license": "MIT",
     "maintainer": {
         "name": "eric_G",
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 02a192e..9cb4c71 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,7 +7,7 @@
 YNH_PHP_VERSION="7.4"
 
 # Composer version
-YNH_COMPOSER_VERSION="2.0.13"
+YNH_COMPOSER_VERSION="2.1.3"
 
 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"