diff --git a/Cargo.lock b/Cargo.lock
index 38b2ceb..ebdcf04 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -299,7 +299,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "electrs"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 3da96be..94b2422 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "electrs"
-version = "0.4.2"
+version = "0.4.3"
 authors = ["Roman Zeyde <me@romanzey.de>"]
 description = "An efficient re-implementation of Electrum Server in Rust"
 license = "MIT"
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index 98a292c..d351557 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -1,3 +1,10 @@
+# 0.4.3 (23 Dec 2018)
+
+* Support Rust 2018 edition (1.31)
+* Upgrade to Electrum protocol 1.4 (from 1.2)
+* Let server banner be configurable via command-line flag
+* Improve query.get_merkle_proof() performance
+
 # 0.4.2 (22 Nov 2018)
 
 * Update to rust-bitcoin 0.15.1