Wiktionary
vb. (context idiomatic English) To raise standards or expectations, especially by creating something to a higher standard.
Wikipedia
Raise the Bar: An Action-Based Method for Maximum Customer Reactions is a non-fiction book by bar consultant and Bar Rescue host Jon Taffer. The book focuses on Jon Taffer's philosophy of "Reaction Management", which focuses on creating the right reactions in bar customers. The book was released on October 8, 2013.
Usage examples of "raise the bar".
Helen hurried to raise the bar from the door and open it just as a tap sounded on the door-post.
His fellow started down the stairs to his aid, and Torio leaped to the mechanism to raise the bar from the gates.
When I'd worked my way far enough through the door, I'd raise the bar.
There was no slit through which a knife could be passed to raise the bar.