diff --git a/ethpm.json b/ethpm.json
index 255048b2a..1e9826f21 100644
--- a/ethpm.json
+++ b/ethpm.json
@@ -1,6 +1,6 @@
 {
   "package_name": "zeppelin",
-  "version": "2.2.0",
+  "version": "2.3.0-rc.0",
   "description": "Secure Smart Contract library for Solidity",
   "authors": [
     "OpenZeppelin Community <maintainers@openzeppelin.org>"
diff --git a/package-lock.json b/package-lock.json
index 802e3ec25..fdb46f78d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "openzeppelin-solidity",
-  "version": "2.2.0",
+  "version": "2.3.0-rc.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 47930de8a..c4d02b0f2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openzeppelin-solidity",
-  "version": "2.2.0",
+  "version": "2.3.0-rc.0",
   "description": "Secure Smart Contract library for Solidity",
   "files": [
     "build",