diff --git a/.gitignore b/.gitignore
index 8bc2a8b..1d91101 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,3 +48,4 @@ openmpi-1.4.1-RH.tar.bz2
 /openmpi-4.0.2rc2.tar.bz2
 /openmpi-4.0.2.tar.bz2
 /openmpi-4.0.3rc3.tar.bz2
+/openmpi-4.0.3rc4.tar.bz2
diff --git a/7126.patch b/7126.patch
deleted file mode 100644
index 72e0e64..0000000
--- a/7126.patch
+++ /dev/null
@@ -1,77 +0,0 @@
-From ea1355beae918b3acd67d5c0ccc44afbcc5b7ca9 Mon Sep 17 00:00:00 2001
-From: Edgar Gabriel <egabriel@central.uh.edu>
-Date: Tue, 29 Oct 2019 15:21:22 -0500
-Subject: [PATCH] fcoll/two_phase: fix error in calculating aggregators in
- 32bit mode
-
-In fcoll_two_phase_supprot_fns.c: calculation of the aggregator index
-failed for large offsets on 32bit machine, due to improper handling of
-64bit offsets.
-
-Fixes Issue #7110
-
-Signed-off-by: Edgar Gabriel <egabriel@central.uh.edu>
----
- .../two_phase/fcoll_two_phase_support_fns.c   | 25 +++++++++++--------
- 1 file changed, 14 insertions(+), 11 deletions(-)
-
-diff --git a/ompi/mca/fcoll/two_phase/fcoll_two_phase_support_fns.c b/ompi/mca/fcoll/two_phase/fcoll_two_phase_support_fns.c
-index 777cf08b9ae..69a56f2c6c7 100644
---- a/ompi/mca/fcoll/two_phase/fcoll_two_phase_support_fns.c
-+++ b/ompi/mca/fcoll/two_phase/fcoll_two_phase_support_fns.c
-@@ -10,7 +10,7 @@
-  *                         University of Stuttgart.  All rights reserved.
-  * Copyright (c) 2004-2005 The Regents of the University of California.
-  *                         All rights reserved.
-- * Copyright (c) 2008-2011 University of Houston. All rights reserved.
-+ * Copyright (c) 2008-2019 University of Houston. All rights reserved.
-  * Copyright (c) 2014-2018 Research Organization for Information Science
-  *                         and Technology (RIST). All rights reserved.
-  * Copyright (c) 2015      Los Alamos National Security, LLC. All rights
-@@ -156,23 +156,26 @@ int mca_fcoll_two_phase_calc_aggregator(ompio_file_t *fh,
- {
- 
- 
--    int rank_index, rank;
-+    int rank_index,  rank;
-     OMPI_MPI_OFFSET_TYPE avail_bytes;
--
--    rank_index = (int) ((off - min_off + fd_size)/ fd_size - 1);
--
-+    long long off_ll = (long long) off;
-+    long long min_off_ll = (long long) min_off;
-+    long long fd_size_ll = (long long) fd_size;
-+    long long rank_index_ll;
-+    
-+    rank_index_ll = (((off_ll - min_off_ll + fd_size_ll)/ fd_size_ll) - 1);
-+    rank_index = (int) rank_index_ll;
-     if (striping_unit > 0){
- 	rank_index = 0;
- 	while (off > fd_end[rank_index]) rank_index++;
-     }
- 
--
-     if (rank_index >= num_aggregators || rank_index < 0) {
-        fprintf(stderr,
--	       "Error in ompi_io_ompio_calcl_aggregator():");
-+	       "Error in mca_fcoll_two_phase_calc_aggregator:");
-        fprintf(stderr,
--	       "rank_index(%d) >= num_aggregators(%d)fd_size=%lld off=%lld\n",
--	       rank_index,num_aggregators,fd_size,off);
-+	       "rank_index(%d) >= num_aggregators(%d) fd_size=%ld off=%ld min_off=%ld striping_unit=%d\n",
-+	       rank_index, num_aggregators, fd_size, off, min_off, striping_unit);
-        ompi_mpi_abort(&ompi_mpi_comm_world.comm, 1);
-     }
- 
-@@ -184,9 +187,9 @@ int mca_fcoll_two_phase_calc_aggregator(ompio_file_t *fh,
- 
-     rank = aggregator_list[rank_index];
- 
--    #if 0
-+#if 0
-     printf("rank : %d, rank_index : %d\n",rank, rank_index);
--    #endif
-+#endif
- 
-     return rank;
- }
diff --git a/openmpi.spec b/openmpi.spec
index 451b187..2edfe38 100644
--- a/openmpi.spec
+++ b/openmpi.spec
@@ -40,7 +40,7 @@
 %endif
 
 Name:            openmpi%{?_cc_name_suffix}
-Version:         4.0.3rc3
+Version:         4.0.3rc4
 Release:         1%{?dist}
 Summary:         Open Message Passing Interface
 License:         BSD and MIT and Romio
@@ -366,6 +366,9 @@ make check
 
 
 %changelog
+* Sun Mar 01 2020 Orion Poplawski <orion@nwra.com> - 4.0.3rc4-1
+- Update to 4.0.3rc4
+
 * Sat Feb 1 2020 Orion Poplawski <orion@nwra.com> - 4.0.3rc3-1
 - Update to 4.0.3rc3
 
diff --git a/sources b/sources
index 901a157..cbe90dd 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (openmpi-4.0.3rc3.tar.bz2) = db39986a156f082db97501d6b40c18e9c8de392e00863d100b422c106783b982db0178f9edc602baabf8694853d78aecaca2d931bac15516c020d3c466ef707e
+SHA512 (openmpi-4.0.3rc4.tar.bz2) = 01bba4b5040e6a3dbea9f5d39caef0e5fe113f308f4e790c5098d485189543994764dcc329be378f640ed253ebdf04b17613dfc73adaa8563f94369792193bee