diff --git a/gstreamer-plugins-base.changes b/gstreamer-plugins-base.changes
index 6e43f1e..bc6e846 100644
--- a/gstreamer-plugins-base.changes
+++ b/gstreamer-plugins-base.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Dec  1 01:54:53 UTC 2017 - zaitor@opensuse.org
+
+- Add explicit python3-xml BuildRequires: fix build on older
+  versions of openSUSE.
+
 -------------------------------------------------------------------
 Wed Nov 29 14:25:58 UTC 2017 - dimstar@opensuse.org
 
diff --git a/gstreamer-plugins-base.spec b/gstreamer-plugins-base.spec
index b702d61..1b98304 100644
--- a/gstreamer-plugins-base.spec
+++ b/gstreamer-plugins-base.spec
@@ -39,6 +39,7 @@ BuildRequires:  libXext-devel
 BuildRequires:  libXv-devel
 BuildRequires:  orc >= 0.4.24
 BuildRequires:  python3-base
+BuildRequires:  python3-xml
 BuildRequires:  pkgconfig(gstreamer-1.0) >= 1.12.0
 %if !0%{?is_opensuse}
 BuildRequires:  translation-update-upstream