diff --git a/symfony/rocket-chat-notifier/5.1/manifest.json b/symfony/rocket-chat-notifier/5.1/manifest.json
new file mode 100644
index 00000000..5fada33c
--- /dev/null
+++ b/symfony/rocket-chat-notifier/5.1/manifest.json
@@ -0,0 +1,5 @@
+{
+    "env": {
+        "#1": "ROCKETCHAT_DSN=rocketchat://ACCESS_TOKEN@default?channel=CHANNEL"
+    }
+}