diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1572547..af9c8a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+# 2.2.0
+__added__
+- Added `Block.calculateTarget` for difficulty calculations (#509)
+- Added `Block.prototype.checkProofOfWork` (#509)
+- Added `opcodes.OP_CHECKLOCKTIMEVERIFY` alias for `OP_NOP2` (#511)
+- Added `script.number.[encode/decode]` for CScriptNum-encoded `Buffer`s (#516)
+- Added `TransactionBuilder.prototype.setLockTime` (#507)
+
+__fixed__
+- Bumped `typeforce` version to fix erroneous error message from `types.Hash*bit` types (#534)
+
+
 # 2.1.4
 __fixed__
 - script.isPubKeyHashOutput and script.isScriptHashOutput no longer allow for non-minimal data pushes (per bitcoin/bitcoin `IsStandard` policy) (#499)
diff --git a/package.json b/package.json
index 86c5e56..96839fc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bitcoinjs-lib",
-  "version": "2.1.4",
+  "version": "2.2.0",
   "description": "Client-side Bitcoin JavaScript library",
   "main": "./src/index.js",
   "keywords": [