Baby gate help

Allison • Mommy to Jonah 🐳🌈2/8/18 and Ezra 10/29/2020

My baby gate I bought in a previous house is shy 5 inches at my new how I love this gate and want to keep it it is summer infant and they dont sell extension panels that I can find anyone have any advice on how to make this work or a product they used? Thanks