diff --git a/adolc.spec b/adolc.spec
index 036531b..e8cc5c2 100644
--- a/adolc.spec
+++ b/adolc.spec
@@ -36,6 +36,7 @@ BuildRequires:  gcc-c++
 BuildRequires:  libstdc++-devel
 BuildRequires:  libtool
 BuildRequires:  pkg-config
+BuildRequires:  xz
 # BuildRequires:  texlive texlive-latex
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build