diff --git a/package.json b/package.json
index ee7fa80..bed2da8 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "angular2-popover"
   ],
   "peerDependencies": {
-    "@angular/core": "^2.0.0"
+    "@angular/core": "^2.0.0 || ^4.0.0"
   },
   "devDependencies": {
     "@angular/common": "^2.4.3",