Exodus 12:48

48 “A foreigner residing among you who wants to celebrate the LORD’s Passover must have all the males in his household circumcised; then he may take part like one born in the land. No uncircumcised male may eat it.

Read Exodus 12:48 Using Other Translations

And when a stranger shall sojourn with thee, and will keep the passover to the LORD, let all his males be circumcised, and then let him come near and keep it; and he shall be as one that is born in the land: for no uncircumcised person shall eat thereof.
If a stranger shall sojourn with you and would keep the Passover to the LORD, let all his males be circumcised. Then he may come near and keep it; he shall be as a native of the land. But no uncircumcised person shall eat of it.
“If there are foreigners living among you who want to celebrate the LORD ’s Passover, let all their males be circumcised. Only then may they celebrate the Passover with you like any native-born Israelite. But no uncircumcised male may ever eat the Passover meal.