diff --git a/deps/zlib b/deps/zlib
index 79a0e447..643e17b7 160000
--- a/deps/zlib
+++ b/deps/zlib
@@ -1 +1 @@
-Subproject commit 79a0e447a0dfa32979420cb21cfb96d684b2c9d5
+Subproject commit 643e17b7498d12ab8d15565662880579692f769d