diff --git a/thirdparty/zlib b/thirdparty/zlib
index 643e17b7..7af6320a 160000
--- a/thirdparty/zlib
+++ b/thirdparty/zlib
@@ -1 +1 @@
-Subproject commit 643e17b7498d12ab8d15565662880579692f769d
+Subproject commit 7af6320ad78b390de42f414fabdc64dc6d67a5ea