diff --git a/library/Ptr/Prelude.hs b/library/Ptr/Prelude.hs
--- a/library/Ptr/Prelude.hs
+++ b/library/Ptr/Prelude.hs
@@ -38,7 +38,7 @@
 import Data.List as Exports hiding (sortOn, isSubsequenceOf, uncons, concat, foldr, foldl1, maximum, minimum, product, sum, all, and, any, concatMap, elem, foldl, foldr1, notElem, or, find, maximumBy, minimumBy, mapAccumL, mapAccumR, foldl')
 import Data.List.NonEmpty as Exports (NonEmpty(..))
 import Data.Maybe as Exports
-import Data.Monoid as Exports hiding (Alt, Last(..), First(..))
+import Data.Monoid as Exports hiding (Alt, Last(..), First(..), (<>))
 import Data.Ord as Exports
 import Data.Proxy as Exports
 import Data.Ratio as Exports
diff --git a/ptr.cabal b/ptr.cabal
--- a/ptr.cabal
+++ b/ptr.cabal
@@ -1,5 +1,5 @@
 name: ptr
-version: 0.16.7.1
+version: 0.16.7.2
 category: Ptr, Data
 synopsis: Abstractions for operations on pointers
 homepage: https://github.com/nikita-volkov/ptr