diff --git a/Yesod/Persist.hs b/Yesod/Persist.hs
--- a/Yesod/Persist.hs
+++ b/Yesod/Persist.hs
@@ -1,5 +1,6 @@
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE CPP #-}
 module Yesod.Persist
     ( YesodPersist (..)
     , YesodDB
@@ -22,6 +23,16 @@
     runDB :: YesodDB sub master a -> GHandler sub master a
 
 -- | Get the given entity by ID, or return a 404 not found if it doesn't exist.
+#if MIN_VERSION_persistent(1, 1, 0)
+get404 :: ( PersistStore (t m)
+          , PersistEntity val
+          , Monad (t m)
+          , m ~ GHandler sub master
+          , MonadTrans t
+          , PersistMonadBackend (t m) ~ PersistEntityBackend val
+          )
+       => Key val -> t m val
+#else
 get404 :: ( PersistStore b m
           , PersistEntity val
           , Monad (b m)
@@ -29,6 +40,7 @@
           , MonadTrans b
           )
        => Key b val -> b m val
+#endif
 get404 key = do
     mres <- get key
     case mres of
@@ -37,6 +49,16 @@
 
 -- | Get the given entity by unique key, or return a 404 not found if it doesn't
 --   exist.
+#if MIN_VERSION_persistent(1, 1, 0)
+getBy404 :: ( PersistUnique (t m)
+            , PersistEntity val
+            , m ~ GHandler sub master
+            , Monad (t m)
+            , MonadTrans t
+            , PersistEntityBackend val ~ PersistMonadBackend (t m)
+            )
+         => Unique val -> t m (Entity val)
+#else
 getBy404 :: ( PersistUnique b m
             , PersistEntity val
             , m ~ GHandler sub master
@@ -45,6 +67,7 @@
             , PersistEntityBackend val ~ b
             )
          => Unique val b -> b m (Entity val)
+#endif
 getBy404 key = do
     mres <- getBy key
     case mres of
diff --git a/yesod-persistent.cabal b/yesod-persistent.cabal
--- a/yesod-persistent.cabal
+++ b/yesod-persistent.cabal
@@ -1,5 +1,5 @@
 name:            yesod-persistent
-version:         1.1.0
+version:         1.1.0.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -15,8 +15,8 @@
 library
     build-depends:   base                      >= 4        && < 5
                    , yesod-core                >= 1.1      && < 1.2
-                   , persistent                >= 1.0      && < 1.1
-                   , persistent-template       >= 1.0      && < 1.1
+                   , persistent                >= 1.0      && < 1.2
+                   , persistent-template       >= 1.0      && < 1.2
                    , transformers              >= 0.2.2    && < 0.4
     exposed-modules: Yesod.Persist
     ghc-options:     -Wall