diff --git a/core/xz/sources b/core/xz/sources
index 6b91353d..657c0bec 100644
--- a/core/xz/sources
+++ b/core/xz/sources
@@ -1 +1 @@
-https://tukaani.org/xz/xz-5.2.5.tar.bz2
+https://nchc.dl.sourceforge.net/project/lzmautils/xz-5.2.5.tar.bz2