diff --git a/package.json b/package.json
index c2774e7..f6a20b1 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "jscheck": "^0.2.0",
     "jsondiff": "brenoferreira/json-diff"
   },
-  "dependencies": {
-    "immutable": "^3.2.1"
+  "peerDependencies": {
+    "immutable": "*"
   }
 }