--- opam-2.0.7/src_ext/Makefile.sources.orig	2021-01-23 14:35:11.745266462 +0000
+++ opam-2.0.7/src_ext/Makefile.sources	2021-01-23 14:35:39.052802484 +0000
@@ -3,7 +3,7 @@
 
 $(call PKG_SAME,cppo)
 
-URL_extlib = http://ygrek.org.ua/p/release/ocaml-extlib/extlib-1.7.5.tar.gz
+URL_extlib = https://github.com/ygrek/ocaml-extlib/releases/download/1.7.5/extlib-1.7.5.tar.gz
 MD5_extlib = d989951536077563bf4c5e3479c3866f
 
 $(call PKG_SAME,extlib)