Joshua 5:2

1 When all the kings of the Amorites, who were beyond the Jordan westward, and all the kings of the Canaanites, who were by the sea, heard how the LORD had dried up the waters of the Jordan from before the children of Israel until we had crossed over, their heart melted, and there was no more spirit in them, because of the children of Israel.

2 At that time, the LORD said to Joshua, “Make flint knives, and circumcise again the sons of Israel the second time.”

3 Joshua made himself flint knives, and circumcised the sons of Israel at the hill of the foreskins.

4 This is the reason Joshua circumcised them: all the people who came out of Egypt, who were males, even all the men of war, died in the wilderness along the way, after they came out of Egypt.

5 For all the people who came out were circumcised; but all the people who were born in the wilderness along the way as they came out of Egypt had not been circumcised.