diff --git a/Jamfile b/Jamfile
index e9b80a4..c673d66 100644
--- a/Jamfile
+++ b/Jamfile
@@ -3,7 +3,7 @@
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
 
-require-b2 5.1 ;
+require-b2 5.2 ;
 
 import make ;
 import option ;