diff --git a/libosinfo.spec b/libosinfo.spec
index add1793..ed819ec 100644
--- a/libosinfo.spec
+++ b/libosinfo.spec
@@ -22,6 +22,7 @@ URL: https://fedorahosted.org/libosinfo/
 BuildRequires: glib2-devel
 BuildRequires: check-devel
 BuildRequires: libxml2-devel >= 2.6.0
+BuildRequires: libxslt-devel
 BuildRequires: vala
 BuildRequires: vala-tools
 BuildRequires: libsoup-devel