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)
 
+## 0.64.9
+### Fixed
+- Avoid notifying same transactions in mempool.
+
 ## 0.64.8
 ### Changed
 - Use better Fourmolu format.
diff --git a/haskoin-store-data.cabal b/haskoin-store-data.cabal
--- a/haskoin-store-data.cabal
+++ b/haskoin-store-data.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 41ca12699b2d3f410e0363cfe334c04ecd3be2fda24904c674eb10868c770185
+-- hash: 0e2bf4ebd8c78ec7298a398d09bc046bf5b1856f0b2bbb08fae12d48bbd5d8c9
 
 name:           haskoin-store-data
-version:        0.64.8
+version:        0.64.9
 synopsis:       Data for Haskoin Store
 description:    Please see the README on GitHub at <https://github.com/haskoin/haskoin-store#readme>
 category:       Bitcoin, Finance, Network