diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,8 @@
+0.1.4
+* Bump attoparsec bounds
+
 0.1.3
 * Include test modules in distribution
-
 
 0.1.2
 * Add support for GHC 7.10
diff --git a/src/URI/ByteString/Internal.hs b/src/URI/ByteString/Internal.hs
--- a/src/URI/ByteString/Internal.hs
+++ b/src/URI/ByteString/Internal.hs
@@ -58,7 +58,7 @@
 -- >>> BB.toLazyByteString $ serializeURI $ URI {uriScheme = Scheme {schemeBS = "http"}, uriAuthority = Just (Authority {authorityUserInfo = Nothing, authorityHost = Host {hostBS = "www.example.org"}, authorityPort = Nothing}), uriPath = "/foo", uriQuery = Query {queryPairs = [("bar","baz")]}, uriFragment = Just "quux"}
 -- "http://www.example.org/foo?bar=baz#quux"
 serializeURI :: URI -> Builder
-serializeURI URI {..} = scheme <> BB.fromString "://" <>
+serializeURI URI {..} = scheme <> BB.fromString ":" <>
                         serializeRelativeRef rr
   where
     scheme = bs $ schemeBS uriScheme
@@ -86,7 +86,7 @@
 
 -------------------------------------------------------------------------------
 serializeAuthority :: Authority -> Builder
-serializeAuthority Authority {..} = userinfo <> bs host <> port
+serializeAuthority Authority {..} = BB.fromString "//" <> userinfo <> bs host <> port
   where
     userinfo = maybe mempty serializeUserInfo authorityUserInfo
     host = hostBS authorityHost
diff --git a/test/URI/ByteStringTests.hs b/test/URI/ByteStringTests.hs
--- a/test/URI/ByteStringTests.hs
+++ b/test/URI/ByteStringTests.hs
@@ -4,6 +4,7 @@
 
 -------------------------------------------------------------------------------
 import           Control.Lens
+import qualified Blaze.ByteString.Builder as BB
 import           Data.ByteString          (ByteString)
 import qualified Data.ByteString.Char8    as B8
 import           Data.Monoid
@@ -109,6 +110,13 @@
           (Query [])
           Nothing
 
+  , roundtripTestURI strictURIParserOptions "ftp://ftp.is.co.za/rfc/rfc1808.txt"
+  , roundtripTestURI strictURIParserOptions "http://www.ietf.org/rfc/rfc2396.txt"
+  , roundtripTestURI strictURIParserOptions "mailto:John.Doe@example.com"
+  , roundtripTestURI strictURIParserOptions "news:comp.infosystems.www.servers.unix"
+  , roundtripTestURI strictURIParserOptions "tel:+1-816-555-1212"
+  , roundtripTestURI strictURIParserOptions "telnet://192.0.2.16:80/"
+
   -- RFC 3986, Section 4.2
   , parseTestRelativeRef strictURIParserOptions "verysimple" $
       Right $ RelativeRef
@@ -248,6 +256,12 @@
     -> TestTree
 parseTestURI opts s r = testCase (B8.unpack s) $ parseURI opts s @?= r
 
+roundtripTestURI
+    :: URIParserOptions
+    -> ByteString
+    -> TestTree
+roundtripTestURI opts s =
+    testCase (B8.unpack s) $ (parseURI opts s >>= return . BB.toByteString . serializeURI) @?= Right s
 
 parseTestRelativeRef
     :: URIParserOptions
diff --git a/uri-bytestring.cabal b/uri-bytestring.cabal
--- a/uri-bytestring.cabal
+++ b/uri-bytestring.cabal
@@ -1,5 +1,5 @@
 name:                uri-bytestring
-version:             0.1.3
+version:             0.1.4
 synopsis:            Haskell URI parsing as ByteStrings
 description: uri-bytestring aims to be an RFC3986 compliant URI parser that uses efficient ByteStrings for parsing and representing the URI data.
 license:             BSD3
@@ -63,6 +63,7 @@
     , derive
     , attoparsec
     , base
+    , blaze-builder
     , bytestring
     , lens
     , quickcheck-instances