diff --git a/build.jam b/build.jam
index 67ebf4d36..482f523ec 100644
--- a/build.jam
+++ b/build.jam
@@ -3,11 +3,9 @@
 # (See accompanying file LICENSE_1_0.txt or copy at
 # http://www.boost.org/LICENSE_1_0.txt)
 
-require-b2 5.1 ;
+require-b2 5.2 ;
 
 import-search /boost/config/checks ;
-
-import project ;
 import config : requires ;
 
 project /boost/geometry