diff --git a/wscript b/wscript
index 951814f..5547ff3 100644
--- a/wscript
+++ b/wscript
@@ -15,7 +15,7 @@
                    help=("Enable NDN plugins (may require patching).  topology plugin enabled by default"),
                    dest='disable_ndn_plugins')
 
-REQUIRED_BOOST_LIBS = ['iostreams']
+REQUIRED_BOOST_LIBS = ['graph']
 
 def required_boost_libs(conf):
     conf.env.REQUIRED_BOOST_LIBS += REQUIRED_BOOST_LIBS
@@ -26,7 +26,7 @@
     if not conf.env['LIB_BOOST']:
         conf.report_optional_feature("ndnSIM", "ndnSIM", False,
                                      "Required boost libraries not found")
-        Logs.error ("ndnSIM will not be build as it requires boost libraries of version at least 1.48")
+        Logs.error ("ndnSIM will not be build as it requires boost libraries of version at least 1.46")
         conf.env['MODULES_NOT_BUILT'].append('ndnSIM')
         return
     else:
@@ -50,12 +50,12 @@
             return
             
         boost_version = conf.env.BOOST_VERSION.split('_')
-        if int(boost_version[0]) < 1 or int(boost_version[1]) < 48:
+        if int(boost_version[0]) < 1 or int(boost_version[1]) < 46:
             conf.report_optional_feature("ndnSIM", "ndnSIM", False,
-                                         "ndnSIM requires at least boost version 1.48")
+                                         "ndnSIM requires at least boost version 1.46")
             conf.env['MODULES_NOT_BUILT'].append('ndnSIM')
 
-            Logs.error ("ndnSIM will not be build as it requires boost libraries of version at least 1.48")
+            Logs.error ("ndnSIM will not be build as it requires boost libraries of version at least 1.46")
             Logs.error ("Please upgrade your distribution or install custom boost libraries (http://ndnsim.net/faq.html#boost-libraries)")
             return