diff --git a/.gitignore b/.gitignore
index 1c5d2c3..8e06fdb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,4 @@
 /libfabric-1.12.0rc1.tar.bz2
 /libfabric-1.12.1.tar.bz2
 /libfabric-1.14.0.tar.bz2
+/libfabric-1.15.1.tar.bz2
diff --git a/libfabric.spec b/libfabric.spec
index fa5aa5a..cfcc4fd 100644
--- a/libfabric.spec
+++ b/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
diff --git a/sources b/sources
index dfbfcfc..291f568 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libfabric-1.14.0.tar.bz2) = 827fee42bdae1b226d2b3c3b7c2b9b29866791c7a8e9a20239459e6c5a2927d8674367bb075cfe00cc609f538c4630e3af9f566b89d00e337ae224c725cf5f85
+SHA512 (libfabric-1.15.1.tar.bz2) = 241682b83bdec26cdf5fe918c445732bcd123c01798d1973c4c6bff0d4c7ca271a782ff8af8f9bcaf1560580804c3088a4c18fdf9fbc58d9c3d98f4377903818