diff --git a/packages/simpleserialize.com/CHANGELOG.md b/packages/simpleserialize.com/CHANGELOG.md
index 4e74a58a..e7f79e74 100644
--- a/packages/simpleserialize.com/CHANGELOG.md
+++ b/packages/simpleserialize.com/CHANGELOG.md
@@ -3,6 +3,158 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.3.0](https://github.com/chainsafe/simpleserialize.com/compare/simpleserialize.com@0.1.0...simpleserialize.com@0.3.0) (2022-12-08)
+
+
+* SSZ v2 (#223) ([9d167b7](https://github.com/chainsafe/simpleserialize.com/commit/9d167b703b1e974ee4943be15710aa9783183986)), closes [#223](https://github.com/chainsafe/simpleserialize.com/issues/223) [#227](https://github.com/chainsafe/simpleserialize.com/issues/227)
+
+
+### BREAKING CHANGES
+
+* complete refactor, see packages/ssz/README.md for details
+
+Initial squashed v2 commit
+
+Replace lodestarTypes
+
+Update tests
+
+Add Union and None types
+
+Update spec tests
+
+Remove old src and lodestar dependencies
+
+Improve JSON parsing for tests
+
+Load YAML with lodestar utils schema
+
+Commit ArrayComposite before getAll
+
+Re-write toJson fromJson test
+
+Fix uint json conversions
+
+Print tree in valid test if requested
+
+Fix hashTreeRoot for ByteList
+
+Add RENDER_ROOTS option
+
+Fix typos
+
+Use numerical sort in array commit
+
+Fix value_serializedSizeArrayComposite
+
+Pass ssz_generic tests
+
+Allow to select tests to run in ssz_static
+
+Fix container bytes offset
+
+Rename fixedLen to fixedSize
+
+Sort deserailization methods
+
+Print json stringified in test
+
+Review logic
+
+Clean up tests
+
+Define JSON casing at constructor time only
+
+Add casing maps for merge types
+
+Update casing in unit tests
+
+Re-organize utils
+
+Fix merge casing
+
+FIx offset calculation
+
+Pass all spec test pre-merge
+
+Bump merge test
+
+Extend timeout for mainnet tests
+
+Pass all unit tests
+
+Return defaultValue in simpleserialize random
+
+Remove @chainsafe/lodestar-spec-test-util dependency
+
+Copy yaml schema from lodestar-utils
+
+Fix benchmark type issues
+
+Skip createProof benchmark
+
+Skip old benchmark without runner
+
+Remove postinstall script
+
+Re-add UintBigint optimization
+
+Fix set_exitEpoch_and_hashTreeRoot benchmark
+
+Add List of Number benchmark
+
+Use DataViews for faster deserialization
+
+Use DataViews for tree serialization too
+
+Update workflows build after install
+
+Update packedNode tests
+
+Review Tree API
+
+Validate length in ByteArrays
+
+FIx benchmarks in persistent-merkle-tree
+
+Simplify LeafNode constructor
+
+Refactor subtreeFillToContents
+
+Run struct <-> tree_backed benchmarks
+
+Update test types
+
+Fix Uint64 DataView benchmarks
+
+Add benchmarks for full state serialization
+
+Use consistent initialization in DataView
+
+Optimize toView for ByteArray
+
+Add clone method for safer ContainerTreeViewDU
+
+Add documentation to all public methods
+
+Update SSZ README
+
+Simplify testTypes
+
+Update persistent-merkle-tree README
+
+Add unit test push x5
+
+Fix heigh typo
+
+Add note Supports index up to Number.MAX_SAFE_INTEGER.
+
+Address PR comments
+
+
+
+
+
 # [0.2.0](https://github.com/chainsafe/simpleserialize.com/compare/simpleserialize.com@0.1.0...simpleserialize.com@0.2.0) (2022-05-18)
 
 
diff --git a/packages/simpleserialize.com/package.json b/packages/simpleserialize.com/package.json
index e5d28c94..1c749115 100644
--- a/packages/simpleserialize.com/package.json
+++ b/packages/simpleserialize.com/package.json
@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "simpleserialize.com",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "repository": "https://github.com/chainsafe/simpleserialize.com",
   "author": "Chainsafe Systems",
   "license": "MIT",
@@ -17,7 +17,7 @@
     "@babel/runtime": "^7.14.6",
     "@babel/types": "^7.14.5",
     "@chainsafe/lodestar-types": "^0.37.0-dev.267dce705c",
-    "@chainsafe/ssz": "^0.9.1",
+    "@chainsafe/ssz": "^0.9.3",
     "bn.js": "^5.2.0",
     "bulma": "^0.9.3",
     "core-js": "^3.15.2",
diff --git a/packages/ssz/CHANGELOG.md b/packages/ssz/CHANGELOG.md
index 77b27d07..ac749ae2 100644
--- a/packages/ssz/CHANGELOG.md
+++ b/packages/ssz/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.9.3](http://chainsafe/ssz/compare/@chainsafe/ssz@0.9.2...@chainsafe/ssz@0.9.3) (2022-12-08)
+
+**Note:** Version bump only for package @chainsafe/ssz
+
+
+
+
+
 ## [0.9.2](https://github.com/chainsafe/ssz/compare/@chainsafe/ssz@0.9.1...@chainsafe/ssz@0.9.2) (2022-05-31)
 
 * Fix ListCompositeType.sliceTo(-1) (#268)
diff --git a/packages/ssz/package.json b/packages/ssz/package.json
index 98640425..ecb2b1a1 100644
--- a/packages/ssz/package.json
+++ b/packages/ssz/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "ChainSafe Systems",
   "homepage": "https://github.com/chainsafe/ssz",
-  "version": "0.9.2",
+  "version": "0.9.3",
   "main": "lib/index.js",
   "files": [
     "lib/**/*.d.ts",