diff --git a/common.gypi b/common.gypi
index c1445595209fc7..517a986acc4b7f 100644
--- a/common.gypi
+++ b/common.gypi
@@ -38,7 +38,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.10',
+    'v8_embedder_string': '-node.11',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/tools/gen-postmortem-metadata.py b/deps/v8/tools/gen-postmortem-metadata.py
index db4c6c23658096..b5aba23220bac8 100644
--- a/deps/v8/tools/gen-postmortem-metadata.py
+++ b/deps/v8/tools/gen-postmortem-metadata.py
@@ -653,9 +653,7 @@ def emit_config():
 
         out.write('/* class type information */\n');
         consts = [];
-        keys = typeclasses.keys();
-        keys.sort();
-        for typename in keys:
+        for typename in sorted(typeclasses):
                 klass = typeclasses[typename];
                 consts.append({
                     'name': 'type_%s__%s' % (klass, typename),
@@ -666,9 +664,7 @@ def emit_config():
 
         out.write('/* class hierarchy information */\n');
         consts = [];
-        keys = klasses.keys();
-        keys.sort();
-        for klassname in keys:
+        for klassname in sorted(klasses):
                 pklass = klasses[klassname]['parent'];
                 bklass = get_base_class(klassname);
                 if (bklass != 'Object'):