diff --git a/CHANGELOG.md b/CHANGELOG.md
index de602d180..2ba1224dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 2.4.0 (unreleased)
+## 2.4.0 (2019-08-16)
 
 ### New features:
  * `Address.toPayable`: added a helper to convert between address types without having to resort to low-level casting. ([#1773](https://github.com/OpenZeppelin/openzeppelin-solidity/pull/1773))
diff --git a/contracts/package.json b/contracts/package.json
index db3c59a3e..432aa23e7 100644
--- a/contracts/package.json
+++ b/contracts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@openzeppelin/contracts",
-  "version": "2.4.0-beta.0",
+  "version": "2.4.0-beta.1",
   "description": "Secure Smart Contract library for Solidity",
   "files": [
     "**/*.sol",
diff --git a/ethpm.json b/ethpm.json
index 6a9451f38..612b429ad 100644
--- a/ethpm.json
+++ b/ethpm.json
@@ -1,6 +1,6 @@
 {
   "package_name": "zeppelin",
-  "version": "2.4.0-beta.0",
+  "version": "2.4.0-beta.1",
   "description": "Secure Smart Contract library for Solidity",
   "authors": [
     "OpenZeppelin Community <maintainers@openzeppelin.org>"
diff --git a/package-lock.json b/package-lock.json
index 9dfc75787..6aa3825e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "openzeppelin-solidity",
-  "version": "2.4.0-beta.0",
+  "version": "2.4.0-beta.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 8d3f0433c..8c604a233 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openzeppelin-solidity",
-  "version": "2.4.0-beta.0",
+  "version": "2.4.0-beta.1",
   "description": "Secure Smart Contract library for Solidity",
   "files": [
     "/contracts/**/*.sol",