diff --git a/modules/@angular/router/package.json b/modules/@angular/router/package.json
index 29174075b8..c45a5ffa0c 100644
--- a/modules/@angular/router/package.json
+++ b/modules/@angular/router/package.json
@@ -23,6 +23,7 @@
   "peerDependencies": {
     "@angular/core": "0.0.0-PLACEHOLDER",
     "@angular/common": "0.0.0-PLACEHOLDER",
-    "@angular/platform-browser": "0.0.0-PLACEHOLDER"
+    "@angular/platform-browser": "0.0.0-PLACEHOLDER",
+    "rxjs": "5.0.0-beta.12"
   }
 }