diff --git a/libguestfs.spec b/libguestfs.spec
index f60a2c0..18f06b4 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -1,7 +1,3 @@
-# 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
@@ -61,7 +57,7 @@ Summary:       Access and modify virtual machine disk images
 Name:          libguestfs
 Epoch:         1
 Version:       1.45.6
-Release:       9%{?dist}
+Release:       10%{?dist}
 License:       LGPLv2+
 
 # Build only for architectures that have a kernel
@@ -1124,6 +1120,9 @@ rm ocaml/html/.gitignore
 
 
 %changelog
+* Mon Jul 26 2021 Jeff Law <jlaw@tachyum.com> - 1:1.45.6-10
+- Re-enable LTO
+
 * Tue Jun 29 2021 Richard W.M. Jones <rjones@redhat.com> - 1:1.45.6-9
 - RHEL 9 patch for openssl missing configuration file
   https://bugzilla.redhat.com/show_bug.cgi?id=1977214#c13