Judg 8:28

וַיִּכָּנַ֣ע מִדְיָ֗ן לִפְנֵי֙ בְּנֵ֣י יִשְׂרָאֵ֔ל וְלֹ֥א יָסְפ֖וּ לָשֵׂ֣את רֹאשָׁ֑ם וַתִּשְׁקֹ֥ט הָאָ֛רֶץ אַרְבָּעִ֥ים שָׁנָ֖ה בִּימֵ֥י גִדְעֽוֹן׃ פ

In this way Midian was subdued before the Israelites and did not raise its head again. So the land had rest for forty years in the days of Gideon,