diff --git a/diff3.cabal b/diff3.cabal
--- a/diff3.cabal
+++ b/diff3.cabal
@@ -1,5 +1,5 @@
 name:                diff3
-version:             0.2.0.1
+version:             0.2.0.2
 synopsis:            Perform a 3-way difference of documents
 homepage:            http://github.com/ocharles/diff3.git
 license:             BSD3
@@ -19,7 +19,7 @@
 
 library
   exposed-modules:     Data.Algorithm.Diff3
-  build-depends:       base ==4.5.*, Diff >= 0.2
+  build-depends:       base >= 4.5 && < 5, Diff >= 0.2
   hs-source-dirs: src
   ghc-options: -Wall -fwarn-tabs -funbox-strict-fields -O2
                -fno-warn-orphans -fno-warn-unused-do-bind