diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+4.6.0.1 [maintenance release]
+-------
+* Compatibility with `base` 4.8
+
 4.6
 ---
 * Reduced `Review` to two arguments, like `Getter`.
diff --git a/lens.cabal b/lens.cabal
--- a/lens.cabal
+++ b/lens.cabal
@@ -1,6 +1,6 @@
 name:          lens
 category:      Data, Lenses, Generics
-version:       4.6
+version:       4.6.0.1
 license:       BSD3
 cabal-version: >= 1.8
 license-file:  LICENSE
diff --git a/src/Control/Monad/Error/Lens.hs b/src/Control/Monad/Error/Lens.hs
--- a/src/Control/Monad/Error/Lens.hs
+++ b/src/Control/Monad/Error/Lens.hs
@@ -33,7 +33,7 @@
 import Control.Monad
 import Control.Monad.Error.Class
 import Data.Functor.Plus
-import Data.Monoid
+import Data.Monoid (Monoid(..), First(..))
 import Data.Semigroup (Semigroup(..))
 
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