diff --git a/text-normal.cabal b/text-normal.cabal
--- a/text-normal.cabal
+++ b/text-normal.cabal
@@ -1,5 +1,5 @@
 name:                text-normal
-version:             0.1.0.0
+version:             0.2.0.0
 synopsis:            Unicode-normalized text
 description:
   This package provides types and functions for normalizing and comparing
@@ -32,6 +32,6 @@
                        Data.Text.Normal.NFD
                        Data.Text.Normal.NFKC
                        Data.Text.Normal.NFKD
-  build-depends:       base >=4.6 && <4.7, deepseq, text, text-icu
+  build-depends:       base >=4.6 && <5, deepseq, text, text-icu
   hs-source-dirs:      src
   default-language:    Haskell2010
