diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## 0.5.1
+### Changed
+- Dependency `sec256k1` changes to `secp256k1-haskell`.
+
 ## 0.5.0
 ### Added
 - New `CHANGELOG.md` file.
diff --git a/haskoin-node.cabal b/haskoin-node.cabal
--- a/haskoin-node.cabal
+++ b/haskoin-node.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: d91f6e4382f00bd57a9888e1f5c251960be102facc20627c259d1c072a5a50e8
+-- hash: 42512d69990c573a8b21a6983363550443788358d5006ceae094b0d55a5bbcc7
 
 name:           haskoin-node
-version:        0.5.0
+version:        0.5.1
 synopsis:       Haskoin Node P2P library for Bitcoin and Bitcoin Cash
 description:    Bitcoin and Bitcoin Cash peer-to-peer protocol library featuring headers-first synchronisation.
 category:       Bitcoin, Finance, Network