diff --git a/manifest.json b/manifest.json
index 4c864be..b3dde7a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -18,7 +18,7 @@
 		"email": "maxime.bugeia@gmail.com"
 	}],
 	"requirements": {
-		"yunohost": ">= 4.1.7"
+		"yunohost": ">= 4.2.4"
 	},
 	"multi_instance": false,
 	"services": [
diff --git a/scripts/upgrade b/scripts/upgrade
index e8e797d..23933b2 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -84,7 +84,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=7
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path"
+	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/config.js"
 fi
 
 #=================================================
@@ -142,9 +142,6 @@ ynh_add_systemd_config
 # UPGRADE HASTE CONFIGURATION
 #=================================================
 
-# Define app's data directory
-ynh_add_config --template="../conf/config.js" --destination="$final_path/config.js"
-
 # Replace ajax.googleapis by local file
 cp ../sources/jquery.min.js "$final_path/static/jquery.min.js"