diff --git a/ecdsa/CHANGES.md b/ecdsa/CHANGES.md
index 05e3dd9d..809dc9d7 100644
--- a/ecdsa/CHANGES.md
+++ b/ecdsa/CHANGES.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.4.0 (2020-01-07)
+### Changed
+- Upgrade `elliptic-curve` crate to v0.3.0; make curves cargo features ([#68])
+
+[#68]: https://github.com/RustCrypto/signatures/pull/68
+
 ## 0.3.0 (2019-12-11)
 ### Changed
 - Upgrade `elliptic-curve` crate to v0.2.0; MSRV 1.37+ ([#65])
diff --git a/ecdsa/Cargo.toml b/ecdsa/Cargo.toml
index b3803205..861600b5 100644
--- a/ecdsa/Cargo.toml
+++ b/ecdsa/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name          = "ecdsa"
-version       = "0.3.0" # Also update html_root_url in lib.rs when bumping this
+version       = "0.4.0" # Also update html_root_url in lib.rs when bumping this
 description   = """
 Signature and elliptic curve types providing interoperable support for the
 Elliptic Curve Digital Signature Algorithm (ECDSA)
diff --git a/ecdsa/src/lib.rs b/ecdsa/src/lib.rs
index 47dd42cb..b54925f1 100644
--- a/ecdsa/src/lib.rs
+++ b/ecdsa/src/lib.rs
@@ -36,7 +36,7 @@
 #![warn(missing_docs, rust_2018_idioms, intra_doc_link_resolution_failure)]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/meta/master/logo_small.png",
-    html_root_url = "https://docs.rs/ecdsa/0.3.0"
+    html_root_url = "https://docs.rs/ecdsa/0.4.0"
 )]
 
 // Re-export the `generic-array` crate