diff --git a/nova/tests/test_libvirt_config.py b/nova/tests/test_libvirt_config.py
index 887199608c..c332ce7c32 100644
--- a/nova/tests/test_libvirt_config.py
+++ b/nova/tests/test_libvirt_config.py
@@ -366,7 +366,7 @@ class LibvirtConfigGuestDiskTest(LibvirtConfigBaseTest):
         self.assertXmlEqual(xml, """
             <disk type="network" device="disk">
               <driver name="qemu" type="qcow2"/>
-              <source protocol="iscsi" name="foo.bar.com"/>
+              <source name="foo.bar.com" protocol="iscsi"/>
               <target bus="ide" dev="/dev/hda"/>
             </disk>""")
 
@@ -387,7 +387,7 @@ class LibvirtConfigGuestDiskTest(LibvirtConfigBaseTest):
         self.assertXmlEqual(xml, """
             <disk type="network" device="disk">
               <driver name="qemu" type="raw"/>
-              <source protocol="rbd" name="pool/image"/>
+              <source name="pool/image" protocol="rbd"/>
               <auth username="foo">
                 <secret type="ceph"
                 uuid="b38a3f43-4be2-4046-897f-b67c2f5e0147"/>
@@ -535,7 +535,7 @@ class LibvirtConfigGuestInterfaceTest(LibvirtConfigBaseTest):
             <interface type="direct">
               <mac address="DE:AD:BE:EF:CA:FE"/>
               <model type="virtio"/>
-              <source mode="private" dev="eth0"/>
+              <source dev="eth0" mode="private"/>
               <target dev="tap12345678"/>
               <virtualport type="802.1Qbh"/>
             </interface>""")
diff --git a/tools/pip-requires b/tools/pip-requires
index 008a67c3f0..d10072546a 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -5,7 +5,7 @@ anyjson>=0.2.4
 boto
 eventlet>=0.9.17
 kombu>=1.0.4
-lxml>=2.3,<=2.3.5
+lxml>=2.3
 routes==1.12.3
 WebOb==1.0.8
 greenlet>=0.3.1