diff --git a/libguestfs.spec b/libguestfs.spec
index 7f095d6..d2fa057 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -1,3 +1,7 @@
+# Disable LTO because:
+# https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/Y3WTAS3MJ5WNNVVYPXARFXV6A6QH6KEY/
+%define _lto_cflags %{nil}
+
 # Architectures on which golang works.
 #% global golang_arches aarch64 % {arm} % {ix86} x86_64
 # In theory the above, in practice golang is so often broken that
@@ -44,8 +48,8 @@
 Summary:       Access and modify virtual machine disk images
 Name:          libguestfs
 Epoch:         1
-Version:       1.43.2
-Release:       1%{?dist}
+Version:       1.43.3
+Release:       2%{?dist}
 License:       LGPLv2+
 
 # Build only for architectures that have a kernel
@@ -907,8 +911,7 @@ popd
 # On all known architectures, depending on 'kernel' should
 # mean "we need a kernel".
 pushd $RPM_BUILD_ROOT%{_libdir}/guestfs/supermin.d
-sed 's/^kernel-.*/kernel/' < packages > packages-t
-mv packages-t packages
+sed -i 's/^kernel-.*/kernel/' packages
 popd
 
 # Guestfish colour prompts.
@@ -1185,6 +1188,10 @@ rm ocaml/html/.gitignore
 
 
 %changelog
+* Tue Dec 01 2020 Richard W.M. Jones <rjones@redhat.com> - 1:1.43.3-2
+- New upstream version 1.43.3.
+- Disable LTO because of memory running out on ARMv7.
+
 * Mon Sep 21 2020 Richard W.M. Jones <rjones@redhat.com> - 1:1.43.2-1
 - New upstream version 1.43.2.
 - Replace libvirt-daemon-qemu with libvirt-daemon-kvm.
diff --git a/sources b/sources
index e115167..90eb57f 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (libguestfs-1.43.2.tar.gz) = a78ec3ce5a4851ff403cc1247082f0e0f847133733e6de7f181dc1a5069a4885d4091fc1ea26b06b2cab8b7e0ce5b4ffd2f4f02466fdf7139656e7b59fc6541b
-SHA512 (libguestfs-1.43.2.tar.gz.sig) = e46925c1f21750f0cb9a3a95390fccab38defb825cb004b36395fa17d6994fefcf64ba0bfc62dbc34a420b176319d9da6361b7ffeb4c070d62ffe3a8568d5d08
+SHA512 (libguestfs-1.43.3.tar.gz) = 9c9dd5b47eb010482a8ffed7b76279f5c330d5783d34664442547e3a25b12859f625a6079dd23c9cac60ed55bebd57f3f2914e2e6138d56ecb4484a7742da22a
+SHA512 (libguestfs-1.43.3.tar.gz.sig) = 13fb818b9eb2d75a520f39297a070e7e1a1e70dff159594b4681e11304559a053c524393d06287a3695b3b5e65a2e1f695bfd347a5dc5b4f70def4a9da0dbc8a