v2.2.2

.openzeppelin/project.json

@@ -2,11 +2,18 @@
   "manifestVersion": "2.2",
   "name": "@openzeppelin/contracts-ethereum-package",
   "publish": true,
-  "version": "2.2.0",
+  "version": "2.2.2",
   "contracts": {
     "StandaloneERC20": "StandaloneERC20",
     "StandaloneERC721": "StandaloneERC721",
     "TokenVesting": "TokenVesting",
     "PaymentSplitter": "PaymentSplitter"
+  },
+  "dependencies": {},
+  "compiler": {
+    "manager": "truffle",
+    "compilerSettings": {
+      "optimizer": {}
+    }
   }
 }
\ No newline at end of file

CHANGELOG.md

 # Changelog
 
-## 2.2.2 (unreleased)
+## 2.2.2 (2019-08-12)
 
 ### New features:
  * Facilities to make metatransaction-enabled contracts through the Gas Station Network. Backported from [#1844](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/1844).

package-lock.json

 {
   "name": "@openzeppelin/contracts-ethereum-package",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

 {
   "name": "@openzeppelin/contracts-ethereum-package",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "Secure Smart Contract library for Solidity",
   "files": [
     "build",