diff --git a/focus.cabal b/focus.cabal
--- a/focus.cabal
+++ b/focus.cabal
@@ -1,7 +1,7 @@
 name:
   focus
 version:
-  0.1.3
+  0.1.4
 synopsis:
   A general abstraction for manipulating elements of container data structures
 description:
@@ -53,7 +53,7 @@
   exposed-modules:
     Focus
   build-depends:
-    base >= 4.5 && < 4.8
+    base >= 4.5 && < 4.9
   default-extensions:
     Arrows, BangPatterns, ConstraintKinds, DataKinds, DefaultSignatures, DeriveDataTypeable, DeriveFunctor, DeriveGeneric, EmptyDataDecls, FlexibleContexts, FlexibleInstances, FunctionalDependencies, GADTs, GeneralizedNewtypeDeriving, ImpredicativeTypes, LambdaCase, LiberalTypeSynonyms, MagicHash, MultiParamTypeClasses, MultiWayIf, NoImplicitPrelude, NoMonomorphismRestriction, OverloadedStrings, PatternGuards, ParallelListComp, QuasiQuotes, RankNTypes, RecordWildCards, ScopedTypeVariables, StandaloneDeriving, TemplateHaskell, TupleSections, TypeFamilies, TypeOperators, UnboxedTuples
   default-language: