diff --git a/libxmlb.spec b/libxmlb.spec
index 738b7bc..1104f7c 100644
--- a/libxmlb.spec
+++ b/libxmlb.spec
@@ -13,6 +13,7 @@ BuildRequires: gtk-doc
 BuildRequires: libstemmer-devel
 BuildRequires: meson
 BuildRequires: gobject-introspection-devel
+BuildRequires: xz-devel
 BuildRequires: python3-setuptools
 
 # needed for the self tests