diff --git a/src/Webify.hs b/src/Webify.hs
--- a/src/Webify.hs
+++ b/src/Webify.hs
@@ -40,9 +40,9 @@
           <*> switch (long "no-svg" <> help "Disable svg")
           <*> switch (long "svg-enable-kerning" <> help "Enable svg kerning")
           <*> switch (long "zopfli" <> help "Use Zopfli Compression Algorithm")
-          <*> option (long "svg-cmap-platform-id" <> value platformMicrosoft <> help "Svg cmap platform id")
-          <*> option (long "svg-cmap-encoding-id" <> value encodingUGL  <> help "Svg cmap encoding id")
-          <*> arguments1 str (metavar "FONTS")
+          <*> option auto (long "svg-cmap-platform-id" <> value platformMicrosoft <> help "Svg cmap platform id")
+          <*> option auto (long "svg-cmap-encoding-id" <> value encodingUGL  <> help "Svg cmap encoding id")
+          <*> some (argument str (metavar "FONTS"))
 
 changeExtension :: FilePath -> FilePath -> FilePath
 changeExtension ext = flip addExtension ext . dropExtension
diff --git a/webify.cabal b/webify.cabal
--- a/webify.cabal
+++ b/webify.cabal
@@ -1,5 +1,5 @@
 name:                webify
-version:             0.1.7.0
+version:             0.1.8.0
 synopsis:            webfont generator
 description:
         A command line tool to convert ttf file to woff, eot & svg files
@@ -7,11 +7,12 @@
 homepage:            http://github.com/ananthakumaran/webify
 license:             MIT
 license-file:        LICENSE
-author:              Anantha Kumaran
-maintainer:          ananthakumaran@gmail.com
-copyright:           (c) 2013 Anantha Kumaran
+author:              Anantha Kumaran <ananthakumaran@gmail.com>
+maintainer:          Sarah Brofeldt <sbrofeldt@gmail.com>
+copyright:           (c) 2013-2017 Anantha Kumaran
 category:            Web
 build-type:          Simple
+tested-with:         GHC == 7.8.4, GHC == 7.10.2, GHC == 8.0.2
 cabal-version:       >=1.8
 
 Flag debug
@@ -35,7 +36,7 @@
                        filepath >= 1.3.0,
                        zlib >= 0.5.4,
                        xmlgen >= 0.6.2.1,
-                       optparse-applicative >= 0.5.2 && <0.8.0,
+                       optparse-applicative >= 0.10.0 && <0.15,
                        vector >= 0.10.0,
                        hopfli >= 0.1.0.0