Exodus 8:32

And Pharaoh hardened his heart at this time also, neither would he let the people go.
— Exodus 8:32, King James Version

In other translations

World English Bible (WEB)

Pharaoh hardened his heart this time also, and he didn't let the people go.

American Standard Version (ASV)

And Pharaoh hardened his heart this time also, and he did not let the people go.

Young's Literal Translation (YLT)

and Pharaoh hardeneth his heart also at this time, and hath not sent the people away.