diff --git a/ghc-uniplate.spec b/ghc-uniplate.spec
index 43732de..9136f81 100644
--- a/ghc-uniplate.spec
+++ b/ghc-uniplate.spec
@@ -25,6 +25,7 @@ BuildRequires:  ghc-rpm-macros %{!?without_hscolour:hscolour}
 # END cabal2spec
 BuildRequires:  ghc-containers-prof
 BuildRequires:  ghc-syb-prof
+BuildRequires:  ghc-unordered-containers-prof
 
 %description
 %{common_description}
@@ -57,6 +58,7 @@ BuildRequires:  ghc-syb-prof
 %changelog
 * Tue Mar 20 2012 Jens Petersen <petersen@redhat.com> - 1.6.7-1
 - update to 1.6.7
+- depends on unordered-containers
 
 * Thu Jan  5 2012 Jens Petersen <petersen@redhat.com> - 1.6.5-1
 - update to 1.6.5 and cabal2spec-0.25.2