diff --git a/Pipes/Bgzf.hs b/Pipes/Bgzf.hs
--- a/Pipes/Bgzf.hs
+++ b/Pipes/Bgzf.hs
@@ -1,6 +1,7 @@
 {-# LANGUAGE ForeignFunctionInterface, RankNTypes, OverloadedStrings #-}
 module Pipes.Bgzf (
     inflateBlock,
+    parseHeader,
     bgzfPipe,
     bgzfMultiPipe ) where
 
diff --git a/pipes-bgzf.cabal b/pipes-bgzf.cabal
--- a/pipes-bgzf.cabal
+++ b/pipes-bgzf.cabal
@@ -1,5 +1,5 @@
 name:                pipes-bgzf
-version:             0.2.0.0
+version:             0.2.0.1
 License:             BSD3
 License-File:        LICENSE
 synopsis:            Blocked GZip
@@ -20,4 +20,4 @@
   other-extensions:    ForeignFunctionInterface
   build-depends:       base >=4.6 && <5, streaming-commons >=0.1 && <0.2, bytestring >=0.10 && <0.11, pipes >= 4.1 && <4.2, mtl, parallel
   default-language:    Haskell2010
-  ghc-options:         -Wall -O2
+  ghc-options:         -Wall