diff --git a/core/zlib/sources b/core/zlib/sources
index 27b7fe11..abe6181c 100644
--- a/core/zlib/sources
+++ b/core/zlib/sources
@@ -1,2 +1,2 @@
-https://zlib.net/zlib-VERSION.tar.gz
+https://zlib.net/fossils/zlib-VERSION.tar.gz
 patches/Fix-CC-logic-in-configure.patch