diff --git a/ekg-servant.cabal b/ekg-servant.cabal
index d233ea6..b8c8a06 100644
--- a/ekg-servant.cabal
+++ b/ekg-servant.cabal
@@ -16,8 +16,8 @@ source-repository HEAD
 
 library
   exposed-modules:     Servant.Ekg
+  hs-source-dirs:      lib
   build-depends:       base >=4.7 && <4.9
-                     , bytestring
                      , ekg-core
                      , servant >=0.2 && <0.3
                      , http-types
@@ -25,4 +25,4 @@ library
                      , time
                      , unordered-containers
                      , wai
-  default-language:    Haskell2010
\ No newline at end of file
+  default-language:    Haskell2010