diff --git a/Database/Persist/Store.hs b/Database/Persist/Store.hs
--- a/Database/Persist/Store.hs
+++ b/Database/Persist/Store.hs
@@ -12,6 +12,7 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE PatternGuards #-}
+{-# LANGUAGE RankNTypes #-}
 -- This is to test our assumption that OverlappingInstances is just for String
 #ifndef NO_OVERLAP
 {-# LANGUAGE OverlappingInstances #-}
diff --git a/persistent.cabal b/persistent.cabal
--- a/persistent.cabal
+++ b/persistent.cabal
@@ -1,5 +1,5 @@
 name:            persistent
-version:         1.1.5
+version:         1.1.5.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>