diff --git a/ethpm.json b/ethpm.json
index 19a1cdf..27e7da2 100644
--- a/ethpm.json
+++ b/ethpm.json
@@ -1,6 +1,6 @@
 {
   "package_name": "bytes",
-  "version": "0.0.3-ac.2",
+  "version": "0.0.4",
   "description": "Solidity bytes tightly packed arrays utility library.",
   "authors": [
     "Gonçalo Sá <goncalo.sa@consensys.net>"
diff --git a/package.json b/package.json
index 7b209a5..04ad7d5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "solidity-bytes-utils",
-  "version": "0.0.3-ac.2",
+  "version": "0.0.4",
   "description": "Solidity bytes tightly packed arrays utility library.",
   "main": "truffle.js",
   "repository": {