diff --git a/ChangeLog.md b/ChangeLog.md
index 4f70b675e..e417564fa 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,9 +1,12 @@
-## [3.13.0] - N/A
+
+
+## [4.0.0] - 2024-11-13
 
 ### Added
 
+- Simplify filenames by using a hashed prefix instead of the full mnemonic, enhancing portability).
 - `hashKey` for Shelley style
-- Key derivation support for DRep, CCCold and CCHot in accordance to [CIP--105](https://github.com/cardano-foundation/CIPs/tree/master/CIP-0105). Also supported in CLI.
+- Key derivation support for DRep, CCCold and CCHot in accordance with [CIP-0105](https://github.com/cardano-foundation/CIPs/tree/master/CIP-0105). Also supported in CLI.
 - Fix field for staking scripts in AddressInfo.
 - Rename infoScriptHash field in AddressInfo to infoSpendingScriptHash.
 - Get signing key and chain code from extended signing key via `cardano-address key private`
diff --git a/command-line/cardano-addresses-cli.cabal b/command-line/cardano-addresses-cli.cabal
index d92b13918..3ce69fa89 100644
--- a/command-line/cardano-addresses-cli.cabal
+++ b/command-line/cardano-addresses-cli.cabal
@@ -1,7 +1,7 @@
 cabal-version: 1.12
 
 name:           cardano-addresses-cli
-version:        3.12.0
+version:        4.0.0
 synopsis:       Utils for constructing a command-line on top of cardano-addresses.
 description:    Please see the README on GitHub at <https://github.com/IntersectMBO/cardano-addresses>
 category:       Cardano
@@ -9,7 +9,7 @@ homepage:       https://github.com/IntersectMBO/cardano-addresses#readme
 bug-reports:    https://github.com/IntersectMBO/cardano-addresses/issues
 author:         IOHK
 maintainer:     operations@iohk.io
-copyright:      2021-2022 IOHK
+copyright:      2021-2022 Input Output Global Inc (IOG), 2023-2024 Intersect
 license:        Apache-2.0
 build-type:     Simple
 extra-source-files:
diff --git a/core/cardano-addresses.cabal b/core/cardano-addresses.cabal
index c7e738a10..72fd7515f 100644
--- a/core/cardano-addresses.cabal
+++ b/core/cardano-addresses.cabal
@@ -1,7 +1,7 @@
 cabal-version: 1.12
 
 name:           cardano-addresses
-version:        3.12.0
+version:        4.0.0
 synopsis:       Library utilities for mnemonic generation and address derivation.
 description:    Please see the README on GitHub at <https://github.com/IntersectMBO/cardano-addresses>
 category:       Cardano
@@ -9,7 +9,7 @@ homepage:       https://github.com/IntersectMBO/cardano-addresses#readme
 bug-reports:    https://github.com/IntersectMBO/cardano-addresses/issues
 author:         IOHK
 maintainer:     operations@iohk.io
-copyright:      2021-2022 IOHK
+copyright:      2021-2022 Input Output Global Inc (IOG), 2023-2024 Intersect
 license:        Apache-2.0
 build-type:     Simple
 
diff --git a/jsapi/cardano-addresses-jsapi.cabal b/jsapi/cardano-addresses-jsapi.cabal
index 501299b78..7b8151155 100644
--- a/jsapi/cardano-addresses-jsapi.cabal
+++ b/jsapi/cardano-addresses-jsapi.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name:           cardano-addresses-jsapi
-version:        3.12.0
+version:        4.0.0
 synopsis:       Javascript FFI for cardano-addresses.
 description:    This package provides functions callable from Javascript on top of
                 which a TypeScript API can be built. It uses the cardano-addresses-ghcjs
@@ -11,7 +11,7 @@ homepage:       https://github.com/IntersectMBO/cardano-addresses#readme
 bug-reports:    https://github.com/IntersectMBO/cardano-addresses/issues
 author:         IOHK
 maintainer:     operations@iohk.io
-copyright:      2021 IOHK
+copyright:      2021 Input Output Global Inc (IOG), 2023-2024 Intersect
 license:        Apache-2.0
 build-type:     Simple
 
diff --git a/jsapi/package-lock.json b/jsapi/package-lock.json
index ed0a716c9..b5c9252c7 100644
--- a/jsapi/package-lock.json
+++ b/jsapi/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "cardano-addresses",
-  "version": "3.12.0",
+  "version": "4.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/jsapi/package.json b/jsapi/package.json
index 50b4cb346..c86c7caa4 100644
--- a/jsapi/package.json
+++ b/jsapi/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "3.12.0",
+  "version": "4.0.0",
   "license": "Apache-2.0",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
diff --git a/jsbits/cardano-addresses-jsbits.cabal b/jsbits/cardano-addresses-jsbits.cabal
index 378c75dff..082a9e0f3 100644
--- a/jsbits/cardano-addresses-jsbits.cabal
+++ b/jsbits/cardano-addresses-jsbits.cabal
@@ -1,7 +1,7 @@
 cabal-version: 1.12
 
 name:           cardano-addresses-jsbits
-version:        3.12.0
+version:        4.0.0
 synopsis:       Javascript code for ghcjs build of cardano-addresses.
 description:    This package supports ghcjs compilation of cardano-addresses with
                 Javascript wrappers and Emscripten builds of the cryptonite C
@@ -11,7 +11,7 @@ homepage:       https://github.com/IntersectMBO/cardano-addresses#readme
 bug-reports:    https://github.com/IntersectMBO/cardano-addresses/issues
 author:         IOHK
 maintainer:     operations@iohk.io
-copyright:      2021-2022 IOHK
+copyright:      2021-2022 Input Output Global Inc (IOG), 2023-2024 Intersect
 license:        Apache-2.0
 build-type:     Simple