diff --git a/Formula/cless.rb b/Formula/cless.rb
index b48bac4237..5883c3f2bf 100644
--- a/Formula/cless.rb
+++ b/Formula/cless.rb
@@ -7,18 +7,20 @@ class Cless < Formula
   url "https://hackage.haskell.org/package/cless-0.3.0.0/cless-0.3.0.0.tar.gz"
   sha256 "0f06437973de1c36c1ac2472091a69c2684db40ba12f881592f1f08e8584629b"
 
+  revision 1
+
   bottle do
     sha256 "76b8d84196408e6e9a8600cb1a35240e75206db8d006ef8bfe38e7a171bb1b2c" => :yosemite
     sha256 "4027a2a344f157df664b878d74a5912cc75b55ecb8c9f76395ce4c178aa57839" => :mavericks
     sha256 "b370de61dbd0e438f5910ba5d98755b561a08cf151ecdc03c96bc2c2053fd1a5" => :mountain_lion
   end
 
-  depends_on "cabal-install" => :build
   depends_on "ghc" => :build
-  depends_on "gmp"
+  depends_on "cabal-install" => :build
 
   def install
-    install_cabal_package
+    # The "--allow-newer" is a hack for GHC 7.10.1, remove when possible.
+    install_cabal_package "--allow-newer"
   end
 
   test do