diff --git a/packages/compress/zlib/url b/packages/compress/zlib/url
index 7ef9d2fc51..2257bee025 100644
--- a/packages/compress/zlib/url
+++ b/packages/compress/zlib/url
@@ -1 +1 @@
-http://www.zlib.net/zlib-1.2.4.tar.bz2
+http://www.zlib.net/zlib-1.2.5.tar.bz2