diff --git a/yesod.cabal b/yesod.cabal
index 13e2b2d1..cc909a60 100644
--- a/yesod.cabal
+++ b/yesod.cabal
@@ -1,5 +1,5 @@
 name:            yesod
-version:         0.5.0.3
+version:         0.5.0.4
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -80,6 +80,7 @@ executable             yesod
     ghc-options:       -Wall
     main-is:           scaffold.hs
     other-modules:     CodeGenQ
+    extensions:        TemplateHaskell
 
 executable             runtests
     if flag(buildtests)