diff --git a/transformers.cabal b/transformers.cabal
index ea9c34c8c5767c4510f519cad81622a0d03686c9..ce82dbba44fa359b4b922c3baa31059e1c450e69 100644
--- a/transformers.cabal
+++ b/transformers.cabal
@@ -37,7 +37,7 @@ extra-doc-files:
     images/bind-WriterT.svg
 extra-source-files:
     changelog
-cabal-version: >= 1.10
+cabal-version: 1.18
 
 source-repository head
   type: darcs