diff --git a/src/plugins/mpi/pmix/mpi_pmix.c b/src/plugins/mpi/pmix/mpi_pmix.c

index bbb947616c..b284af63f2 100644

--- a/src/plugins/mpi/pmix/mpi_pmix.c

+++ b/src/plugins/mpi/pmix/mpi_pmix.c

@@ -89,6 +89,8 @@ const uint32_t plugin_version = SLURM_VERSION_NUMBER;

 void *libpmix_plug = NULL;

+static const char *pmix_libraries[] = { "libpmix.so", "libpmix.so.2", "libpmix.so.1" };

+

 static void _libpmix_close(void *lib_plug)

 {

 	xassert(lib_plug);

@@ -99,15 +101,20 @@ static void *_libpmix_open(void)

 {

 	void *lib_plug = NULL;

 	char *full_path = NULL;

+	size_t sz = 0;

 #ifdef PMIXP_V1_LIBPATH

 	xstrfmtcat(full_path, "%s/", PMIXP_V1_LIBPATH);

 #elif defined PMIXP_V2_LIBPATH

 	xstrfmtcat(full_path, "%s/", PMIXP_V2_LIBPATH);

 #endif

-	xstrfmtcat(full_path, "libpmix.so");

-	lib_plug = dlopen(full_path, RTLD_LAZY | RTLD_GLOBAL);

-	xfree(full_path);

+

+	while (!lib_plug && (sz < sizeof(pmix_libraries)/sizeof(pmix_libraries[0]))) {

+		xstrfmtcat(full_path, "%s", pmix_libraries[sz]);

+		lib_plug = dlopen(full_path, RTLD_LAZY | RTLD_GLOBAL);

+		xfree(full_path);

+		++sz;

+	}

 	if (lib_plug && (HAVE_PMIX_VER != pmixp_lib_get_version())) {

 		PMIXP_ERROR("pmi/pmix: incorrect PMIx library version loaded %d was loaded, required %d version",

diff --git a/src/plugins/mpi/pmix/pmixp_dconn_ucx.c b/src/plugins/mpi/pmix/pmixp_dconn_ucx.c

index f6c91adc93..650fb7d5ff 100644

--- a/src/plugins/mpi/pmix/pmixp_dconn_ucx.c

+++ b/src/plugins/mpi/pmix/pmixp_dconn_ucx.c

@@ -140,6 +140,8 @@ static struct io_operations _progress_ops = {

 	.handle_read = _progress_read

 };

+static const char *ucx_libraries[] = { "libucp.so", "libucp.so.0" };

+

 static void *_ucx_init(int nodeid, pmixp_p2p_data_t direct_hdr);

 static void _ucx_fini(void *_priv);

 static int _ucx_connect(void *_priv, void *ep_data, size_t ep_len,

@@ -161,15 +163,20 @@ static int _load_ucx_lib()

 	setenv("UCX_MEM_MALLOC_RELOC", "no", 1);

 	setenv("UCX_MEM_EVENTS", "no", 1);

+	size_t sz = 0;

+

 #ifdef PMIXP_UCX_LIBPATH

 	/* If this Slurm build doesn't allow RPATH's

 	 * try to open library by it's full path that

 	 * we have from autoconf

 	 */

 	char *full_path = NULL;

-	xstrfmtcat(full_path, "%s/libucp.so", PMIXP_UCX_LIBPATH);

-	_ucx_lib_handler = dlopen(full_path, RTLD_LAZY | RTLD_GLOBAL);

-	xfree(full_path);

+	while (!_ucx_lib_handler && (sz < sizeof(ucx_libraries)/sizeof(ucx_libraries[0]))) {

+		xstrfmtcat(full_path, "%s/%s", PMIXP_UCX_LIBPATH, ucx_libraries[sz]);

+		_ucx_lib_handler = dlopen(full_path, RTLD_LAZY | RTLD_GLOBAL);

+		xfree(full_path);

+		++sz;

+	}

 	if (_ucx_lib_handler) {

 		/* successful, exit now */

 		return SLURM_SUCCESS;

@@ -178,7 +185,13 @@ static int _load_ucx_lib()

 	 * known by dynamic linker.

 	 */

 #endif

-	_ucx_lib_handler = dlopen("libucp.so", RTLD_LAZY | RTLD_GLOBAL);

+	sz = 0;

+	while (!_ucx_lib_handler && (sz < sizeof(ucx_libraries)/sizeof(ucx_libraries[0]))) {

+		xstrfmtcat(full_path, "%s", ucx_libraries[sz]);

+		_ucx_lib_handler = dlopen(full_path, RTLD_LAZY | RTLD_GLOBAL);

+		xfree(full_path);

+		++sz;

+	}

 	if (!_ucx_lib_handler) {

 		char *err = dlerror();

 		PMIXP_ERROR("Cannot open UCX lib: %s", (err) ? err : "unknown");