diff --git a/lasso.spec b/lasso.spec
index 40e309f..1640999 100644
--- a/lasso.spec
+++ b/lasso.spec
@@ -58,7 +58,7 @@
 Summary: Liberty Alliance Single Sign On
 Name: lasso
 Version: 2.6.0
-Release: 7%{?dist}
+Release: 8%{?dist}
 License: GPLv2+
 Group: System Environment/Libraries
 Source: http://dev.entrouvert.org/lasso/lasso-%{version}.tar.gz
@@ -70,6 +70,19 @@ Patch4: versioned-python-configure.patch
 
 BuildRequires: libtool autoconf automake
 
+# The Lasso build system requires python, especially the binding generators
+%if %{with_python2}
+BuildRequires: python2
+BuildRequires: python2-lxml
+BuildRequires: python2-six
+%endif
+
+%if %{with_python3}
+BuildRequires: python3
+BuildRequires: python3-lxml
+BuildRequires: python3-six
+%endif
+
 %if %{with_wsf}
 BuildRequires: cyrus-sasl-devel
 %endif
@@ -79,7 +92,6 @@ BuildRequires: libxml2-devel, openssl-devel
 BuildRequires: xmlsec1-devel >= 1.2.25-4, xmlsec1-openssl-devel >= 1.2.25-4
 BuildRequires: zlib-devel, check-devel
 BuildRequires: libtool autoconf automake
-BuildRequires: python2-six
 Url: http://lasso.entrouvert.org/
 
 Requires: xmlsec1 >= 1.2.25-4
@@ -138,7 +150,6 @@ Java language bindings for the lasso (Liberty Alliance Single Sign On) library.
 Summary: Liberty Alliance Single Sign On (lasso) PHP bindings
 Group: Development/Libraries
 BuildRequires: php-devel, expat-devel
-BuildRequires: python2
 Requires: %{name}%{?_isa} = %{version}-%{release}
 Requires: php(zend-abi) = %{php_zend_api}
 Requires: php(api) = %{php_core_api}
@@ -154,7 +165,6 @@ PHP language bindings for the lasso (Liberty Alliance Single Sign On) library.
 Summary: Liberty Alliance Single Sign On (lasso) Python bindings
 Group: Development/Libraries
 BuildRequires: python2-devel
-BuildRequires: python2-lxml
 Requires: python2
 Requires: %{name}%{?_isa} = %{version}-%{release}
 %if %{obsolete_old_lang_subpackages}
@@ -174,7 +184,6 @@ library.
 Summary: Liberty Alliance Single Sign On (lasso) Python bindings
 Group: Development/Libraries
 BuildRequires: python3-devel
-BuildRequires: python3-lxml
 Requires: python3
 Requires: %{name}%{?_isa} = %{version}-%{release}
 
@@ -307,6 +316,9 @@ rm -fr %{buildroot}%{_defaultdocdir}/%{name}
 %endif
 
 %changelog
+* Tue Jul 17 2018  <jdennis@redhat.com> - 2.6.0-8
+- more py2/py3 build dependencies fixes
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.6.0-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild