diff --git a/libraries/mpio b/libraries/mpio
index f1d8d7b..39e5075 160000
--- a/libraries/mpio
+++ b/libraries/mpio
@@ -1 +1 @@
-Subproject commit f1d8d7b0985e1033a121b831e1b3db423965ed63
+Subproject commit 39e50757646e343855186d846f1522361bf4be1b