diff --git a/package.json b/package.json
index 9321f76..8017464 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
   ],
   "dependencies": {
     "@metrics/metric": "^2.3.2",
+    "@types/readable-stream": "^4.0.0",
     "readable-stream": "^3.4.0",
     "time-span": "^4.0.0"
   },