Hi @kellybaxter1, thanks for your question.
Here in Australia it is difficult to obtain a flap that will open automatically - this is due to most electronic flaps having to lock system in place so that other pets and animals do not enter your home.
The team at http://australiapetdoors.com.au have had this issue before with their customers and have a few solutions involving soft cushion doors that might help your little buddy.
If you email them via the address on their website, they'll get back to you.
Hope this helps.