diff --git a/highcharts/highstock/highstock.py b/highcharts/highstock/highstock.py
index 659d032..e94a8c9 100644
--- a/highcharts/highstock/highstock.py
+++ b/highcharts/highstock/highstock.py
@@ -3,6 +3,7 @@
 from __future__ import unicode_literals, absolute_import
 from future.standard_library import install_aliases
 install_aliases()
+from past.builtins import basestring
 
 from jinja2 import Environment, PackageLoader
 
diff --git a/highcharts/highstock/highstock_types.py b/highcharts/highstock/highstock_types.py
index 83e76c6..b5b31b1 100644
--- a/highcharts/highstock/highstock_types.py
+++ b/highcharts/highstock/highstock_types.py
@@ -211,6 +211,7 @@
     "turboThreshold": int,
   },
   "flags": {
+    "allowOverlapX": bool,
     "colors": list,
     "cropThreshold": int,
     "keys": list,
@@ -350,6 +351,25 @@
     "stacking": basestring,
     "turboThreshold": int,
   },
+  "sma": {
+    "allowPointSelect": bool,
+    "borderWidth": [int, basestring],
+    "connectEnds": bool,
+    "connectNulls": bool,
+    "cropThreshold": int,
+    "dashStyle": basestring,
+    "lineWidth": int,
+    "linkedTo": basestring,
+    "marker": (Marker, dict),
+    "negativeColor": (ColorObject, basestring, dict),
+    "params": dict,
+    "pointInterval": int,
+    "pointPlacement": [basestring, int, float],
+    "pointStart": [int, basestring, datetime.datetime],
+    "shadow": [bool, dict],
+    "stacking": basestring,
+    "turboThreshold": int,
+  },
 }
 
 DATA_SERIES_ALLOWED_OPTIONS = {
diff --git a/highcharts/highstock/options.py b/highcharts/highstock/options.py
index 4a21318..62e3226 100644
--- a/highcharts/highstock/options.py
+++ b/highcharts/highstock/options.py
@@ -320,6 +320,7 @@ class RangeSelectorOptions(BaseOptions):
         "buttonTheme": (SVGObject, dict),
         "buttons": (Buttons, list),
         "enabled": bool,
+        "floating": bool,
         "inputBoxBorderColor": (ColorObject, basestring, dict),
         "inputBoxHeight": [int, float],
         "inputBoxWidth": [int, float],
@@ -331,6 +332,8 @@ class RangeSelectorOptions(BaseOptions):
         "inputStyle": (CSSObject, dict),
         "labelStyle": (CSSObject, dict),
         "selected": [int, float],
+        "x": int,
+        "y": int,
     }
 
 class ScrollbarOptions(BaseOptions):