diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -2,6 +2,7 @@
 
 import MergeBashHistory
 
+import Data.Monoid ((<>))
 import Data.Text.IO as TIO (readFile, putStr)
 
 import Options.Applicative
diff --git a/merge-bash-history.cabal b/merge-bash-history.cabal
--- a/merge-bash-history.cabal
+++ b/merge-bash-history.cabal
@@ -1,6 +1,6 @@
 name:                merge-bash-history
-version:             0.1.0.0
-synopsis:            Initial project template from stack
+version:             0.1.0.1
+synopsis:            command line utility to merge bash_history
 description:         Please see README.md
 homepage:            http://github.com/j1r1k/merge-bash-history#readme
 license:             BSD3