diff --git a/package.json b/package.json
index 597d190..a1f26bf 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,6 @@
   },
   "dependencies": {
     "checker-factory": "^2.0.0",
-    "immutable": "^3.7.6"
+    "immutable": "^3.8.0"
   }
 }