diff --git a/array.cabal b/array.cabal
index 3f7df2153cdaa245a48ba0d004b607ab413160e5..9ad42586879852a8b744bff5a28f0a0eaba664d6 100644
--- a/array.cabal
+++ b/array.cabal
@@ -10,7 +10,7 @@ description:
     This package defines the classes @IArray@ of immutable arrays and
     @MArray@ of arrays mutable within appropriate monads, as well as
     some instances of these classes.
-cabal-version: >=1.2
+cabal-version: >=1.6
 build-type: Simple
 extra-source-files: include/Typeable.h