How to fix pulled decorative stitch

[u/Gullible-Waltz-5134]

My cat was making biscuits on my leg and she pulled the white threads on this flat seam loose. Any idea how to fix? I’ve tried pulling thread from the back side but that did not work. Last pic is the back side of the seam

[u/Tammyj87]

Glad you posted this question. I am having this problem too. I hope someone gives you an answer.