diff --git a/haskoin-core.cabal b/haskoin-core.cabal
--- a/haskoin-core.cabal
+++ b/haskoin-core.cabal
@@ -1,5 +1,5 @@
 name:                  haskoin-core
-version:               0.4.1
+version:               0.4.2
 synopsis:
     Implementation of the core Bitcoin protocol features.
 description: