diff --git a/Server.hs b/Server.hs
--- a/Server.hs
+++ b/Server.hs
@@ -6,15 +6,20 @@
 import Data.List (isPrefixOf, isSuffixOf)
 import Happstack.Server
 import Happstack.Server.Compression
+import System.Directory (makeRelativeToCurrentDirectory)
 import System.Environment
 import qualified Language.Elm as Elm
+import Paths_elm_server
 
+runtime = "/elm-" ++ show version ++ ".js"
+
 serve :: String -> IO ()
 serve libLoc = do
-  putStrLn "Elm Server 0.4.0: running at <http://localhost:8000>"
+  putStrLn ("Elm Server "++show version++": running at <http://localhost:8000>")
   simpleHTTP nullConf $ do
          _ <- compressedResponseFilter
-         msum [ uriRest (serveElm libLoc)
+         msum [ uriRest serveElm
+              , uriRest (serveLib libLoc)
               , serveDirectory EnableBrowsing [] "."
               ]
 
@@ -22,20 +27,23 @@
 pageTitle fp =
     reverse . takeWhile (/='/') . drop 1 . dropWhile (/='.') $ reverse fp
 
-serveElm libLoc fp = do
+serveElm fp = do
   let ('/':filePath) = fp
   guard (".elm" `isSuffixOf` filePath)
   content <- liftIO (readFile filePath)
-  ok . toResponse $ Elm.toHtml libLoc (pageTitle filePath) content
+  ok . toResponse $ Elm.toHtml runtime (pageTitle filePath) content
 
+serveLib libLoc fp = do
+  guard (fp == runtime)
+  serveFile (asContentType "application/javascript") libLoc
 
 main :: IO ()
 main = getArgs >>= parse
 
 parse :: [String] -> IO ()
 parse ("--help":_) = putStrLn usage
-parse ("--version":_) = putStrLn "The Elm Server 0.3.5"
-parse [] = serve "/elm-mini.js"
+parse ("--version":_) = putStrLn ("The Elm Server " ++ show version)
+parse [] = serve =<< Elm.runtimeLocation
 parse [arg]
     | "--runtime-location=" `isPrefixOf` arg =
         serve . tail $ dropWhile (/='=') arg
@@ -54,7 +62,7 @@
   \Example: elm-server\n\
   \\n\
   \Resource Locations:\n\
-  \  --runtime-location   set the location of the Elm runtime (elm-mini.js)\n\
+  \  --runtime-location   set the location of the Elm runtime\n\
   \\n\
   \Compiler Information:\n\
   \  --version            print the version information and exit\n\
diff --git a/elm-server.cabal b/elm-server.cabal
--- a/elm-server.cabal
+++ b/elm-server.cabal
@@ -1,5 +1,5 @@
 Name:                elm-server
-Version:             0.4.0
+Version:             0.4.0.3
 Synopsis:            The Elm language server.
 Description:         This package provides a standalone, Happstack-based Elm server.
 
@@ -34,4 +34,5 @@
                        HTTP >= 4000,
                        happstack-server == 7.0.2,
                        deepseq,
-                       Elm == 0.4.*
+                       directory,
+                       Elm >= 0.4.0.3