diff --git a/etg/grid.py b/etg/grid.py
index 3cacc9f5..4d33b95a 100644
--- a/etg/grid.py
+++ b/etg/grid.py
@@ -266,6 +266,8 @@ def run():
     c.find('GetAlignment.vAlign').out = True
     c.find('GetNonDefaultAlignment.hAlign').out = True
     c.find('GetNonDefaultAlignment.vAlign').out = True
+    c.find('GetSize.num_rows').out = True
+    c.find('GetSize.num_cols').out = True
 
     c.find('SetEditor.editor').transfer = True
     c.find('SetRenderer.renderer').transfer = True
diff --git a/ext/wxWidgets b/ext/wxWidgets
index 0e333f33..dfcffe77 160000
--- a/ext/wxWidgets
+++ b/ext/wxWidgets
@@ -1 +1 @@
-Subproject commit 0e333f336bc329fa333c2694d0ca1faeec43808a
+Subproject commit dfcffe7783e6b1eafb3ed78afbe3a722b27a6bb6
diff --git a/unittests/test_grid.py b/unittests/test_grid.py
index 9ad7bc5e..ba15ac7c 100644
--- a/unittests/test_grid.py
+++ b/unittests/test_grid.py
@@ -100,13 +100,37 @@ class grid_Tests(wtc.WidgetTestCase):
     def test_grid18(self):
         a = wx.grid.GridCellAttr()
         a.DecRef()
+
+    def test_grid18a(self):
+        # test that some GCA methods which were missing are now present
+        a = wx.grid.GridCellAttr()
+        b = wx.grid.GridCellAttr()
+        a.MergeWith(b)
+
+        a.SetFont(wx.NORMAL_FONT)
+        a.SetOverflow(True)
+        a.SetSize(3,4)
+        a.SetKind(wx.grid.GridCellAttr.Cell)
+
+        a.HasReadWriteMode()
+        a.HasOverflowMode()
+        a.HasSize()
+
+        a.GetSize()
+        a.GetOverflow()
+        a.GetKind()
         
+        a.DecRef()
+
+
     def test_grid19(self):
         wx.grid.GridCellAttr.Any
         wx.grid.GridCellAttr.Cell
         wx.grid.GridCellAttr.Row
         wx.grid.GridCellAttr.Col
-        
+        wx.grid.GridCellAttr.Default
+        wx.grid.GridCellAttr.Merged
+
 
     def test_grid20(self): 
         class MyRenderer(wx.grid.GridCornerHeaderRenderer):