diff --git a/package.json b/package.json
index 0063b6df..758528ae 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ethereumjs-util",
-  "version": "4.5.0",
+  "version": "4.5.1",
   "description": "a collection of utility functions for Ethereum",
   "main": "dist/index.js",
   "files": [