diff --git a/package.json b/package.json
index 474e1d7..bfc2b7f 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,6 @@
     "webpack": "^2.2.1"
   },
   "dependencies": {
-    "ol": "^3.21.0-beta.17"
+    "ol": "^4.0.1-beta.2"
   }
 }