diff --git a/3party/boost b/3party/boost
index ccb2ab3b43..b9ab49fc70 160000
--- a/3party/boost
+++ b/3party/boost
@@ -1 +1 @@
-Subproject commit ccb2ab3b4384a16deafaa849de509bce2b2cbada
+Subproject commit b9ab49fc70ee1ef59aaab7f59d2bc6e9971ebb46