diff --git a/package.json b/package.json
index a5d7c87..fc3295d 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
   },
   "peerDependencies": {
     "karma": ">=0.10.0",
-    "browserify": ">=10.0.0 <=13.0.0",
-    "watchify": ">=3.0.0 <4.0.0"
+    "browserify": ">=10 <14",
+    "watchify": ">=3 <4"
   }
 }