diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72f6ae4..84c121c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,15 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 (modification: no type change headlines) and this project adheres to
 [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [2.1.0] - 2018-06-28
+## [2.1.1] - 2019-08-30
+
+- Added support for `Istanbul` reduced non-zero call data gas prices
+  ([EIP-2028](https://eips.ethereum.org/EIPS/eip-2028)),
+  PR [#171](https://github.com/ethereumjs/ethereumjs-tx/pull/171)
+
+[2.1.1]: https://github.com/ethereumjs/ethereumjs-tx/compare/v2.1.0...v2.1.1
+
+## [2.1.0] - 2019-06-28
 
 **Using testnets and custom/private networks is now easier**
 
diff --git a/README.md b/README.md
index f442e4b..15c6b58 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,12 @@ using an object with `chain` and `hardfork` names. You can see en example of thi
 
 The second option is by passing the option `common` set to an instance of [ethereumjs-common](https://github.com/ethereumjs/ethereumjs-common)' Common. This is specially useful for custom networks or chains/hardforks not yet supported by `ethereumjs-common`. You can see en example of this in [./examples/custom-chain-tx.ts](./examples/custom-chain-tx.ts).
 
+## Istanbul Support
+
+Support for reduced non-zero call data gas prices from the `Istanbul` hardfork
+([EIP-2028](https://eips.ethereum.org/EIPS/eip-2028)) has been added to the library
+along with the `v2.1.1` release.
+
 # EIP-155 support
 
 `EIP-155` replay protection is activated since the `spuriousDragon` hardfork. To disable it, set the
diff --git a/package.json b/package.json
index 8c731b3..536e634 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "ethereumjs-tx",
-  "version": "2.1.0",
-  "description": "An simple module for creating, manipulating and signing ethereum transactions",
+  "version": "2.1.1",
+  "description": "A simple module for creating, manipulating and signing Ethereum transactions",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "files": [