diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c6e1d5..77a126a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [dev]
 
+## [5.0.0] - 2020-11-30
+
+### BREAKING CHANGES
+
+- Compatible with [Eth2 spec 1.0.0](https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#bls-signatures)
+- Update bls-keygen to latest EIP-2333 standard
+- Refactored class-based interface, minor functional interface changes
+- BLST support
+
 ## [4.0.0] - 2020-08-31
 
 ### BREAKING CHANGES
diff --git a/package.json b/package.json
index 8e24d39..7c46110 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@chainsafe/bls",
-  "version": "4.0.0",
+  "version": "5.0.0",
   "description": "Implementation of bls signature verification for ethereum 2.0",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",