diff --git a/historian.cabal b/historian.cabal
--- a/historian.cabal
+++ b/historian.cabal
@@ -1,5 +1,5 @@
 Name:           historian
-Version:        0.0
+Version:        0.0.1
 Cabal-Version:  >= 1.2
 Synopsis:       Extract the interesting bits from shell history
 Description:    Extract interesting commands and add them to a text file.
@@ -26,7 +26,7 @@
                     process >= 1 && < 2,
                     directory >= 1 && < 2,
                     filepath >= 1 && < 2,
-                    regex-posix >= 0.94 && < 0.95,
+                    regex-posix >= 0.93 && < 0.95,
                     regex-compat >= 0.92 && < 0.93,
                     containers >= 0.1 && < 0.3
 
diff --git a/historian.hs b/historian.hs
--- a/historian.hs
+++ b/historian.hs
@@ -45,5 +45,5 @@
         history <- readFile $ histfile
         let interesting = map head . group . sort . extractInteresting boring . lines $ history
         boring `seq` (appendFile fn . unlines . map ("> " ++) $ interesting)
-        interesting `seq` writeFile histfile "# history has been rewritten"
+        interesting `seq` writeFile histfile "# history has been rewritten\n"
         rawSystem editor [fn]