diff --git a/haddock.cabal b/haddock.cabal
index bb6be5e44151fce0a1045859d13b560b5feb9b3e..12a97e9f9be8aaeb9fb119df9b754c9d6aea5d3a 100644
--- a/haddock.cabal
+++ b/haddock.cabal
@@ -1,6 +1,6 @@
 name:                 haddock
 version:              2.5.0
-cabal-version:        >= 1.2.3
+cabal-version:        >= 1.6
 license:              BSD3
 build-type:           Simple
 license-file:         LICENSE