diff --git a/package.json b/package.json
index 237417f..e3fe3ac 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "json-schema-deref-sync": "^0.3.0",
     "mocha": "^3.1.2",
     "tv4": "^1.1.9",
-    "tv4-formats": "^2.2.1"
+    "tv4-formats": "^3.0.0"
   },
   "scripts": {
     "test": "grunt test"