diff --git a/libs/numeric/ublas b/libs/numeric/ublas
index a28fdc44b9..347bf78e30 160000
--- a/libs/numeric/ublas
+++ b/libs/numeric/ublas
@@ -1 +1 @@
-Subproject commit a28fdc44b9ff8a66dbd795a6b9ee8905f51dca42
+Subproject commit 347bf78e306fe898016a0363f7e7175e0fb23200