diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
deleted file mode 100644
index b7ade8b..0000000
--- a/doc/DISCLAIMER.md
+++ /dev/null
@@ -1,3 +0,0 @@
-WARNING: This bridge requires additional configuration in the configuration file.
-
-* You need a local Matrix-synapse server (Yunohost app available)
diff --git a/doc/DISCLAIMER_fr.md b/doc/DISCLAIMER_fr.md
deleted file mode 100644
index b814f52..0000000
--- a/doc/DISCLAIMER_fr.md
+++ /dev/null
@@ -1,3 +0,0 @@
-ATTENTION : Cette passerelle requiert une configuration supplémentaire dans son fichier de configuration.
-
-* Vous avez besoin d'un serveur local Matrix-Synapse (appli Yunohost disponible)
diff --git a/manifest.toml b/manifest.toml
index 651d38c..ae8cb8e 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -102,5 +102,9 @@ ram.runtime = "1024M"
         "postgresql",
     ]
 
+    extras.yarn.repo = "deb https://dl.yarnpkg.com/debian/ stable main"
+    extras.yarn.key = "https://dl.yarnpkg.com/debian/pubkey.gpg"
+    extras.yarn.packages = "yarn"
+
     [resources.database]
     type = "postgresql"