diff --git a/backend/package.json b/backend/package.json
index 1534f1b..23da1dd 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -48,7 +48,7 @@
     "@types/swagger-jsdoc": "^6.0.4",
     "@types/swagger-ui-express": "^4.1.6",
     "@vitest/coverage-v8": "^2.1.8",
-    "eventsource": "^2.0.2",
+    "eventsource": "^4.1.0",
     "nodemon": "^3.1.11",
     "prisma": "^7.8.0",
     "rollup": "^4.61.0",