diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8f02dff2..04461be02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@ The format is based on [Keep a Changelog].
 
 [Keep a Changelog]: http://keepachangelog.com/en/1.0.0/
 
+## [v1.4.0]
+
+This is release to support that the SignedPhase and UnsignedPhase has been removed from the
+metadata. See ([#803](https://github.com/paritytech/staking-miner-v2/pull/803)) for further information.
+
+### Compatibility
+
+Tested against:
+- Westend v1010
+
 ## [v1.3.1] - 2023-12-27
 
 The main changes of this release are as follows:
@@ -42,7 +52,7 @@ The major changes of this release:
 
 ## [v1.1.0] - 2023-06-15
 
-This release adds a subcommand `info` to detect whether the metadata 
+This release adds a subcommand `info` to detect whether the metadata
 of the staking-miner is compatible with a remote node.
 
 ```bash
diff --git a/Cargo.lock b/Cargo.lock
index 9f55ff2c4..c852e473c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3061,7 +3061,7 @@ checksum = "db23d408679286588f4d4644f965003d056e3dd5abcaaa938116871d7ce2fee7"
 
 [[package]]
 name = "polkadot-staking-miner"
-version = "1.3.1"
+version = "1.4.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
diff --git a/Cargo.toml b/Cargo.toml
index 1f669e98c..9d2d366ba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-staking-miner"
-version = "1.3.1"
+version = "1.4.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 rust-version = "1.74.0"