Merge branch 'release-v4.1'

CHANGELOG.md

@@ -4,7 +4,7 @@
  * Enumerables: Improve gas cost of removal in `EnumerableSet` and `EnumerableMap`.
  * Enumerables: Improve gas cost of lookup in `EnumerableSet` and `EnumerableMap`.
 
-## Unreleased
+## 4.1.0 (2021-04-29)
 
  * `IERC20Metadata`: add a new extended interface that includes the optional `name()`, `symbol()` and `decimals()` functions. ([#2561](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2561))
  * `ERC777`: make reception acquirement optional in `_mint`. ([#2552](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2552))

contracts/package.json

 {
   "name": "@openzeppelin/contracts",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "files": [
     "**/*.sol",
     "/build/contracts/*.json",

package.json

 {
   "name": "openzeppelin-solidity",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "files": [
     "/contracts/**/*.sol",
     "/build/contracts/*.json",