diff --git a/Yesod/Form/Core.hs b/Yesod/Form/Core.hs
index 623a5ad7..b779b4a6 100644
--- a/Yesod/Form/Core.hs
+++ b/Yesod/Form/Core.hs
@@ -49,6 +49,7 @@ import Control.Applicative
 import Yesod.Request
 import Control.Monad (liftM)
 import Text.Hamlet
+import Text.Blaze (ToHtml (..))
 import Data.String
 import Control.Monad (join)
 
diff --git a/Yesod/Form/Profiles.hs b/Yesod/Form/Profiles.hs
index 2592c6f5..32226e1c 100644
--- a/Yesod/Form/Profiles.hs
+++ b/Yesod/Form/Profiles.hs
@@ -24,6 +24,7 @@ module Yesod.Form.Profiles
 import Yesod.Form.Core
 import Yesod.Widget
 import Text.Hamlet hiding (renderHtml)
+import Text.Blaze (ToHtml (..))
 import Text.Cassius
 import Data.Time (Day, TimeOfDay(..))
 import qualified Text.Email.Validate as Email
diff --git a/yesod-form.cabal b/yesod-form.cabal
index c9da9f2b..9b1beebf 100644
--- a/yesod-form.cabal
+++ b/yesod-form.cabal
@@ -24,7 +24,7 @@ library
                    , blaze-builder             >= 0.2.1    && < 0.3
                    , network                   >= 2.2      && < 2.4
                    , email-validate            >= 0.2.6    && < 0.3
-                   , blaze-html                >= 0.3.0.4  && < 0.4
+                   , blaze-html                >= 0.4      && < 0.5
                    , bytestring                >= 0.9      && < 0.10
     exposed-modules: Yesod.Form
                      Yesod.Form.Class