diff --git a/_service b/_service
index d078378..6241cdf 100644
--- a/_service
+++ b/_service
@@ -8,7 +8,7 @@
@PARENT_TAG@.@TAG_OFFSET@.%h
v(.*)
\1
- 42b829b3b3190dd1987d113fd8c2810eb8584007
+ 439b23db6288f0370f6fcc80c8c0a06ad86d6873
openmpi*.tar
diff --git a/openmpi-4.1.5.0.42b829b3b319.tar.bz2 b/openmpi-4.1.5.0.42b829b3b319.tar.bz2
deleted file mode 100644
index 7df228f..0000000
--- a/openmpi-4.1.5.0.42b829b3b319.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:da5160a652c95c5f326c5208b2797894aaf02049ec30f3b1a2791370388ac51f
-size 6562617
diff --git a/openmpi-4.1.6.0.439b23db6288.tar.bz2 b/openmpi-4.1.6.0.439b23db6288.tar.bz2
new file mode 100644
index 0000000..1aed49a
--- /dev/null
+++ b/openmpi-4.1.6.0.439b23db6288.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:10610ab832942c763acc2dd31a8eb3cb8da3e1f36b57a7971857b0bf625e6d4a
+size 6564781
diff --git a/openmpi4.changes b/openmpi4.changes
index 6ae7597..89f0666 100644
--- a/openmpi4.changes
+++ b/openmpi4.changes
@@ -1,3 +1,20 @@
+-------------------------------------------------------------------
+Mon Oct 2 07:35:01 UTC 2023 - Nicolas Morey
+
+- Update to 4.1.6:
+ - Update embedded PMIx to 3.2.5.
+ - Fix issue with buffered sends and MTL-based interfaces (Libfabric,
+ PSM, Portals).
+ - Add missing MPI_F_STATUS_SIZE to mpi.h.
+ - Update Fortran mpi module configure check to be more correct.
+ - Update to properly handle PMIx v>=4.2.3.
+ - Fix minor issues and add some minor performance optimizations with
+ OFI support.
+ - Support the "striping_factor" and "striping_unit" MPI_Info names
+ recomended by the MPI standard for parallel IO.
+ - Fixed some minor issues with UCX support.
+ - Minor optimization for 0-byte MPI_Alltoallw (i.e., make it a no-op).
+
-------------------------------------------------------------------
Mon Aug 7 17:02:04 UTC 2023 - Nicolas Morey
diff --git a/openmpi4.spec b/openmpi4.spec
index 8623935..3183ba1 100644
--- a/openmpi4.spec
+++ b/openmpi4.spec
@@ -42,8 +42,8 @@
# % define build_static_devel 1
%global pname openmpi
-%global vers 4.1.5
-%define _vers 4_1_5
+%global vers 4.1.6
+%define _vers 4_1_6
%define m_f_ver 4
%bcond_with ringdisabled
@@ -124,7 +124,7 @@ ExclusiveArch: do_not_build
%{bcond_with hwloc}
%endif
-%define git_ver .0.42b829b3b319
+%define git_ver .0.439b23db6288
#############################################################################
#