diff --git a/package.json b/package.json
index 204cffa..0dea9d1 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
     "compression": "^1.7.4",
     "cors": "^2.8.5",
     "crypto": "^1.0.1",
+    "expo-server-sdk": "^3.3.0",
     "express": "^4.16.4",
     "express-validation": "^1.0.2",
     "firebase-admin": "^8.1.0",