diff --git a/CHANGELOG.md b/CHANGELOG.md
index 722774e95ee..a28539dcd3b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 3.4.0
+## 3.4.0 (2021-02-02)
 
  * `BeaconProxy`: added new kind of proxy that allows simultaneous atomic upgrades. ([#2411](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2411))
  * `EIP712`: added helpers to verify EIP712 typed data signatures on chain. ([#2418](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2418))
diff --git a/contracts/package.json b/contracts/package.json
index ec9edef8b43..bfa325ead4f 100644
--- a/contracts/package.json
+++ b/contracts/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@openzeppelin/contracts",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "3.4.0-rc.0",
+  "version": "3.4.0",
   "files": [
     "**/*.sol",
     "/build/contracts/*.json",
diff --git a/package-lock.json b/package-lock.json
index 1b2cf4e469d..777471cfbc3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "openzeppelin-solidity",
-  "version": "3.4.0-rc.0",
+  "version": "3.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index eda6488d711..b8e862fe2e5 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "openzeppelin-solidity",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "3.4.0-rc.0",
+  "version": "3.4.0",
   "files": [
     "/contracts/**/*.sol",
     "/build/contracts/*.json",