diff --git a/etgtools/sip_generator.py b/etgtools/sip_generator.py
index 0901e5bc..864519bd 100644
--- a/etgtools/sip_generator.py
+++ b/etgtools/sip_generator.py
@@ -3,7 +3,7 @@
 # Author:      Robin Dunn
 #
 # Created:     3-Nov-2010
-# Copyright:   (c) 2013 by Total Control Software
+# Copyright:   (c) 2010-2016 by Total Control Software
 # License:     wxWindows License
 #---------------------------------------------------------------------------
 
@@ -61,7 +61,7 @@ class SipWrapperGenerator(generators.WrapperGeneratorBase):
         stream.write(divider + """\
 // This file is generated by wxPython's SIP generator.  Do not edit by hand.
 // 
-// Copyright: (c) 2013 by Total Control Software
+// Copyright: (c) 2011-2016 by Total Control Software
 // License:   wxWindows License
 """)
         if module.name == module.module:
@@ -92,7 +92,7 @@ class SipWrapperGenerator(generators.WrapperGeneratorBase):
 %%Extract(id=pycode%s, order=5)
 # This file is generated by wxPython's SIP generator.  Do not edit by hand.
 # 
-# Copyright: (c) 2013 by Total Control Software
+# Copyright: (c) 2011-2016 by Total Control Software
 # License:   wxWindows License
 %s
 from .%s import *