diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4c75a3f..9265baa2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,11 @@
 
+# 0.18.0 - 2019-03-21
+
+* Update `bitcoin-bech32` version to 0.18
+* add `to_bytes` method for `util::key` types
+* add serde impls for `util::key` types
+* contracthash: minor cleanups, use `util::key` types instead of `secp256k1` types
+
 # 0.17.1 - 2019-03-04
 
 * Add some trait impls to `PublicKey` for miniscript interoperability