diff --git a/Jamfile.v2 b/Jamfile.v2
index a0a5179..86de9fe 100644
--- a/Jamfile.v2
+++ b/Jamfile.v2
@@ -3,7 +3,7 @@
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
 
-require-b2 5.1 ;
+require-b2 5.2 ;
 
 import option ;
 import path ;