diff --git a/libguestfs.spec b/libguestfs.spec
index 4b4c18c..eadb6dd 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -91,7 +91,7 @@ BuildRequires:  libacl-devel
 BuildRequires:  libcap-devel
 BuildRequires:  libconfig-devel
 BuildRequires:  libtool
-BuildRequires:  libvirt-devel >= 0.10.2
+BuildRequires:  libvirt-devel >= 1.2.20
 BuildRequires:  libxml2-devel
 BuildRequires:  ncurses-devel
 %if %{with perl_bindings}
@@ -145,7 +145,7 @@ Group:          System/Filesystems
 Patch0:         d0e5a819-python-Fix-missing-additional-backslashes.patch 
 Patch100:       appliance.patch
 
-Source0:        http://download.libguestfs.org/1.36-stable/libguestfs-%{version}.tar.gz
+Source0:        http://download.libguestfs.org/1.38-stable/libguestfs-%{version}.tar.gz
 Source1:        libguestfs.rpmlintrc
 Source100:      mount-rootfs-and-chroot.sh
 Source101:      README