diff --git a/.gitignore b/.gitignore
index 9ef3895..b809240 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@
 /rdma-core-29.0.tar.gz
 /rdma-core-30.0.tar.gz
 /rdma-core-31.0.tar.gz
+/rdma-core-33.0.tar.gz
diff --git a/rdma-core.spec b/rdma-core.spec
index daa2423..ab55d35 100644
--- a/rdma-core.spec
+++ b/rdma-core.spec
@@ -1,6 +1,6 @@
 Name: rdma-core
-Version: 32.0
-Release: 2%{?dist}
+Version: 33.0
+Release: 3%{?dist}
 Summary: RDMA core userspace libraries and daemons
 
 # Almost everything is licensed under the OFA dual GPLv2, 2 Clause BSD license
@@ -67,9 +67,14 @@ Conflicts: infiniband-diags <= 1.6.7
 # Ninja was introduced in FC23
 BuildRequires: ninja-build
 %define CMAKE_FLAGS -GNinja
+%if 0%{?fedora} >= 33 || 0%{?rhel} >= 9
 %define make_jobs ninja-build -C %{_vpath_builddir} -v %{?_smp_mflags}
 %define cmake_install DESTDIR=%{buildroot} ninja-build -C %{_vpath_builddir} install
 %else
+%define make_jobs ninja-build -v %{?_smp_mflags}
+%define cmake_install DESTDIR=%{buildroot} ninja-build install
+%endif
+%else
 # Fallback to make otherwise
 BuildRequires: make
 %define make_jobs make VERBOSE=1 %{?_smp_mflags}
@@ -160,6 +165,9 @@ Provides: libocrdma = %{version}-%{release}
 Obsoletes: libocrdma < %{version}-%{release}
 Provides: librxe = %{version}-%{release}
 Obsoletes: librxe < %{version}-%{release}
+%if 0%{?fedora} == 34
+Obsoletes: libibverbs-core < %{version}-%{release}
+%endif
 
 %description -n libibverbs
 libibverbs is a library that allows userspace processes to use RDMA
@@ -258,13 +266,6 @@ easy, object-oriented access to IB verbs.
 %autosetup -v -p1
 
 %build
-# This package uses top level ASM constructs which are incompatible with LTO.
-# Top level ASMs are often used to implement symbol versioning.  gcc-10
-# introduces a new mechanism for symbol versioning which works with LTO.
-# Converting packages to use that mechanism instead of toplevel ASMs is
-# recommended.
-# Disable LTO
-%define _lto_cflags %{nil}
 
 # New RPM defines _rundir, usually as /run
 %if 0%{?_rundir:1}
@@ -330,8 +331,9 @@ rm -f %{buildroot}%{_sysconfdir}/rdma/modules/rdma.conf
 install -D -m0644 redhat/rdma.conf %{buildroot}%{_sysconfdir}/rdma/modules/rdma.conf
 
 # ibacm
-%{buildroot}%{_bindir}/ib_acme -D . -O
-install -D -m0644 ibacm_opts.cfg %{buildroot}%{_sysconfdir}/rdma/
+(if [ -d %{__cmake_builddir} ]; then cd %{__cmake_builddir}; fi
+ ./bin/ib_acme -D . -O &&
+ install -D -m0644 ibacm_opts.cfg %{buildroot}%{_sysconfdir}/rdma/)
 
 # Delete the package's init.d scripts
 rm -rf %{buildroot}/%{_initrddir}/
@@ -644,6 +646,15 @@ fi
 %endif
 
 %changelog
+* Mon Jan 25 2021 Honggang Li <honli@redhat.com> - 33.0-3
+- Fix ELN build issue
+
+* Thu Jan 21 2021 Honggang Li <honli@redhat.com> - 33.0-2
+- libibverbs obsoletes libibverbs-core for fedora-34
+
+* Mon Jan 18 2021 Honggang Li <honli@redhat.com> - 33.0-1
+- Rebase to upstream release v33.0
+
 * Mon Jan 18 2021 Honggang Li <honli@redhat.com> - 32.0-2
 - Remove base package dependency from all sub-packages
 - Resolves: bz1901086
diff --git a/sources b/sources
index d4ffc86..69253ee 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (rdma-core-32.0.tar.gz) = 6d5f791e7b4dd27a18c04bb0b17304890945d8987bf4fbf8ae2329986f38e2ef853b00a7b3b22805cc4e66f636f382d6ea60217273dc98be6d0e1dcb655c1ce2
+SHA512 (rdma-core-33.0.tar.gz) = 32b15cbc256dabd97acaaa040ceb62ccd6b0193617fa17d2a410c9360ef85beb029cc611b2d78edc876555995a5cdd54325ac4b7fb9bec46b0a05a0704462e06