diff --git a/yackage.cabal b/yackage.cabal
--- a/yackage.cabal
+++ b/yackage.cabal
@@ -1,5 +1,5 @@
 Name:                yackage
-Version:             0.5.0.1
+Version:             0.6.0
 Synopsis:            Personal Hackage replacement for testing new packages.
 Description:
     This package installs a yackage executable that runs a simplistic hackage-like server. It allows you to upload packages produced via cabal sdist and install them via cabal. The trick is to add the yackage repository to your cabal config file, with a line such as:
@@ -22,8 +22,8 @@
 Executable yackage
   Main-is:             yackage.hs
   Build-depends:       base >= 4 && < 5
-                     , yesod-core >= 1.0 && < 1.1
-                     , warp >= 1.2 && < 1.3
+                     , yesod-core >= 1.1 && < 1.2
+                     , warp >= 1.3 && < 1.4
                      , Cabal
                      , bytestring
                      , text
@@ -33,20 +33,21 @@
                      , directory
                      , yaml
                      , cmdargs
-                     , wai >= 1.2 && < 1.3
+                     , wai >= 1.3 && < 1.4
                      , transformers
                      , hamlet
-                     , yesod-form >= 1.0 && < 1.1
-                     , http-types >= 0.6 && < 0.7
+                     , yesod-form >= 1.1 && < 1.2
+                     , http-types >= 0.6 && < 0.8
                      , blaze-html >= 0.5 && < 0.6
                      , vector
                      , unordered-containers
+                     , conduit
 
 Executable yackage-upload
   Main-is:             yackage-upload.hs
   if flag(upload)
       Build-depends:       base >= 4 && < 5
-                         , http-conduit >= 1.4 && < 1.5
+                         , http-conduit >= 1.5 && < 1.6
                          , blaze-builder >= 0.2.1.3 && < 0.4
                          , bytestring
   else
diff --git a/yackage.hs b/yackage.hs
--- a/yackage.hs
+++ b/yackage.hs
@@ -45,6 +45,8 @@
 import qualified Data.Text as T
 import Text.Blaze.Html (toHtml)
 import qualified Data.Vector as Vector
+import Data.Conduit (($$))
+import Data.Conduit.List (consume)
 
 data Args = Args
     { port :: Int
@@ -149,7 +151,7 @@
     content <-
         case lookup "file" files of
             Nothing -> error "No file upload found"
-            Just fi -> return $ fileContent fi
+            Just fi -> fmap L.fromChunks $ lift $ fileSource fi $$ consume
     let entries = Tar.read $ decompress content
     let cabal =
             case getCabal entries of