diff --git a/.gitmodules b/.gitmodules
index 81400e0d6d..3ed778af82 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,4 +5,4 @@
 [submodule "openpmix"]
 	path = 3rd-party/openpmix
 	url = https://github.com/openpmix/openpmix.git
-	branch = master
+	branch = v4.0
diff --git a/3rd-party/openpmix b/3rd-party/openpmix
index 85a25ee515..2e3df8ee02 160000
--- a/3rd-party/openpmix
+++ b/3rd-party/openpmix
@@ -1 +1 @@
-Subproject commit 85a25ee515174eff39b9f1457cb0b2e8f2fc1db6
+Subproject commit 2e3df8ee02bd21e20a3675f580eccc38cbe014a4
diff --git a/3rd-party/prrte b/3rd-party/prrte
index e6b8de5180..f2b3d3495b 160000
--- a/3rd-party/prrte
+++ b/3rd-party/prrte
@@ -1 +1 @@
-Subproject commit e6b8de5180696434fafc93df6280bbef7f8d574d
+Subproject commit f2b3d3495b72540a97c85311c289c4126657e738