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 a0128a4..bc1f8b7 100644
--- a/SPECS/libfabric.spec
+++ b/SPECS/libfabric.spec
@@ -1,5 +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
 
@@ -7,7 +14,12 @@ License:        BSD or GPLv2
 URL:            https://github.com/ofiwg/libfabric
 Source0:        https://github.com/ofiwg/%{name}/releases/download/v%{version}/%{name}-%{version}.tar.bz2
 
-BuildRequires:  make
+%if %{__remake_config}
+BuildRequires:  automake
+BuildRequires:  autoconf
+BuildRequires:  libtool
+%endif
+BuildRequires: make
 BuildRequires:  gcc
 BuildRequires:  libnl3-devel
 # RDMA not available on 32-bit ARM: #1484155
@@ -16,10 +28,10 @@ BuildRequires:  libibverbs-devel
 BuildRequires:  librdmacm-devel
 %endif
 %ifarch x86_64
-%if 0%{?fedora} || ( 0%{?rhel} >= 6 && 0%{?rhel} <= 7 )
+%if 0%{?fedora} || 0%{?rhel} == 7
 BuildRequires:  infinipath-psm-devel
 %endif
-%if 0%{?fedora} >= 25 || 0%{?rhel} >= 7
+%if 0%{?fedora} || 0%{?rhel} >= 7
 BuildRequires:  libpsm2-devel
 %endif
 BuildRequires:  numactl-devel
@@ -48,9 +60,12 @@ developing applications that use %{name}.
 
 
 %prep
-%setup -q
+%setup -q -n %{name}-%{version}
 
 %build
+%if %{__remake_config}
+./autogen.sh
+%endif
 %configure --disable-static --disable-silent-rules
 %make_build
 
@@ -86,6 +101,11 @@ find %{buildroot} -name '*.la' -exec rm -f {} ';'
 
 
 %changelog
+* Wed Aug 17 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#2040450
+
 * Thu Nov 25 2021 Honggang Li <honli@redhat.com> - 1.14.0-1
 - Rebase to upstream release v1.14.0
 - Resolves: bz1970601