diff --git a/containers-unicode-symbols.cabal b/containers-unicode-symbols.cabal
--- a/containers-unicode-symbols.cabal
+++ b/containers-unicode-symbols.cabal
@@ -1,5 +1,5 @@
 name:          containers-unicode-symbols
-version:       0.3.0.6
+version:       0.3.0.7
 cabal-version: >=1.6
 build-type:    Simple
 stability:     provisional
@@ -32,7 +32,7 @@
                  , Data.Map.Unicode
                  , Data.Sequence.Unicode
                  , Data.Set.Unicode
-  build-depends: base                 >= 3.0.3.1 && < 4.6
+  build-depends: base                 >= 3.0.3.1 && < 5
                , base-unicode-symbols >= 0.1.1   && < 0.3
                , containers                         < 0.5
   ghc-options: -Wall