diff --git a/nbdkit.spec b/nbdkit.spec
index 26e5d45..0147fc4 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -64,7 +64,10 @@ BuildRequires:  e2fsprogs-devel
 BuildRequires:  bash-completion
 BuildRequires:  perl-devel
 BuildRequires:  perl(ExtUtils::Embed)
-BuildRequires:  python2-devel, python-unversioned-command
+BuildRequires:  python2-devel
+%if 0%{?fedora} >= 29
+BuildRequires:  python-unversioned-command
+%endif
 %if 0%{?have_python3}
 BuildRequires:  python3-devel
 %endif
@@ -758,6 +761,7 @@ popd
 * Sat Jul  7 2018 Richard W.M. Jones <rjones@redhat.com> - 1.5.0-1
 - New upstream version 1.5.0.
 - Add Lua plugin and nbdkit-plugin-lua subpackage.
+- Make python-unversioned-command dependent on Fedora >= 29.
 
 * Fri Jul  6 2018 Richard W.M. Jones <rjones@redhat.com> - 1.4.0-1
 - New upstream version 1.4.0.