diff --git a/package.json b/package.json
index d01ca83dc3146dc2c72b46a7c5f82381a89ff3a9..51fc425622127cb221e00dec909f107f7c0d27d6 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "ci-publish": "^1.3.1"
   },
   "peerDependencies": {
+    "typescript": ">=2.9.0",
     "prettier": "^1.15.0",
     "prettier-tslint": "^0.4.2",
     "rxjs-tslint-rules": "^4.10",