diff --git a/.gitignore b/.gitignore
index 102667c..417bedb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-SOURCES/libfabric-1.14.0.tar.bz2
+SOURCES/libfabric-1.15.1.tar.bz2
diff --git a/.libfabric.metadata b/.libfabric.metadata
index ffb0fb4..3355a8e 100644
--- a/.libfabric.metadata
+++ b/.libfabric.metadata
@@ -1 +1 @@
-be62df7562883b6a45f8475c5c8322a8112950af SOURCES/libfabric-1.14.0.tar.bz2
+0ca001d826b8af7aa6c6cbb0bd90220d45b0933d SOURCES/libfabric-1.15.1.tar.bz2
diff --git a/SPECS/libfabric.spec b/SPECS/libfabric.spec
index fa5aa5a..cfcc4fd 100644
--- a/SPECS/libfabric.spec
+++ b/SPECS/libfabric.spec
@@ -1,7 +1,12 @@
 %global __remake_config 1
 
+# LTO is running out of memory when building on x86_64
+%ifarch x86_64
+%global _lto_cflags %{nil}
+%endif
+
 Name:           libfabric
-Version:        1.14.0
+Version:        1.15.1
 Release:        1%{?dist}
 Summary:        Open Fabric Interfaces
 
@@ -94,6 +99,11 @@ find %{buildroot} -name '*.la' -exec rm -f {} ';'
 
 
 %changelog
+* Wed Aug 03 2022 Michal Schmidt <mschmidt@redhat.com> - 1.15.1-1
+- Update to upstream release 1.15.1
+- Disable LTO on x86_64 due to memory issues (copied from Fedora)
+- Resolves: rhbz#2040454
+
 * Thu Nov 25 2021 Honggang Li <honli@redhat.com> - 1.14.0-1
 - Update to upstream release v1.14.0
 - Resolves: rhbz#2015404