diff --git a/package.json b/package.json
index 69445c34..33ea43c7 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
     "cors": "^2.8.5",
     "cross-spawn": "^7.0.5",
     "eventsource": "^3.0.2",
+    "eventsource-parser": "^3.0.7",
     "express": "^5.0.1",
     "express-rate-limit": "^7.5.0",
     "pkce-challenge": "^5.0.0",