diff --git a/package.json b/package.json
index d25858a..5b80dd5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ethereumjs-block",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "Provides Block serialization and help functions",
   "main": "index.js",
   "scripts": {
@@ -14,7 +14,14 @@
   },
   "browserify": {
     "transform": [
-      ["babelify", { "presets": ["es2015"] }]
+      [
+        "babelify",
+        {
+          "presets": [
+            "es2015"
+          ]
+        }
+      ]
     ]
   },
   "repository": {