diff --git a/symfony/gitter-notifier/5.3/manifest.json b/symfony/gitter-notifier/5.3/manifest.json
new file mode 100644
index 00000000..f959cb38
--- /dev/null
+++ b/symfony/gitter-notifier/5.3/manifest.json
@@ -0,0 +1,5 @@
+{
+    "env": {
+        "#1": "GITTER_DSN=gitter://TOKEN@default?room_id=ROOM_ID"
+    }
+}