diff --git a/System/Certificate/X509/MacOS.hs b/System/Certificate/X509/MacOS.hs
--- a/System/Certificate/X509/MacOS.hs
+++ b/System/Certificate/X509/MacOS.hs
@@ -1,14 +1,9 @@
 module System.Certificate.X509.MacOS
-	( getSystemPath
-	, readAll
-	, findCertificate
+	( findCertificate
 	) where
 
-getSystemPath :: IO FilePath
-getSystemPath = undefined
-
-readAll :: IO [Either ReadErr X509]
-readAll = undefined
+import Data.Certificate.X509
+import Data.Certificate.PEM
 
 findCertificate :: (X509 -> Bool) -> IO (Maybe X509)
 findCertificate f = undefined
diff --git a/certificate.cabal b/certificate.cabal
--- a/certificate.cabal
+++ b/certificate.cabal
@@ -1,5 +1,5 @@
 Name:                certificate
-Version:             0.9.0
+Version:             0.9.0.1
 Description:
     Certificates and Key reader/writer
     .