diff --git a/package.json b/package.json
index c2f4fd9..79dbb1c 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "chalk": "^1.1.3",
     "inquirer": "^1.0.2",
     "lodash.reduce": "^4.4.0",
-    "spike-core": "^0.4.0"
+    "spike-core": "^0.5.1"
   },
   "devDependencies": {
     "ava": "^0.15.0",