diff --git a/ghc-rpm-macros.changes b/ghc-rpm-macros.changes
index 1f7bdf7..c330752 100644
--- a/ghc-rpm-macros.changes
+++ b/ghc-rpm-macros.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu May 29 19:39:26 UTC 2014 - peter.trommler@ohm-hochschule.de
+
+- BR xz for SLE 11 builds 
+
 -------------------------------------------------------------------
 Sat May 10 20:56:02 UTC 2014 - peter.trommler@ohm-hochschule.de
 
diff --git a/ghc-rpm-macros.spec b/ghc-rpm-macros.spec
index ba61dce..97dac83 100644
--- a/ghc-rpm-macros.spec
+++ b/ghc-rpm-macros.spec
@@ -47,6 +47,7 @@ Patch6:         disable-execstack.patch
 # PATCH-FIX-SLE sle-sp1-rpmdeps.patch peter.trommler@ohm-hochschule.de -- SLE's RPM is too old in 11 SP1 and SP2 and SP3
 Patch100:       sle-sp1-rpmdeps.patch
 
+BuildRequires:  xz
 Requires:       ghc-srpm-macros = %{version}-%{release}
 %ifnarch ppc64le
 # for execstack