diff --git a/deps/zlib b/deps/zlib
index 643e17b..99b2294 160000
--- a/deps/zlib
+++ b/deps/zlib
@@ -1 +1 @@
-Subproject commit 643e17b7498d12ab8d15565662880579692f769d
+Subproject commit 99b229487c2997b4b22eaef90fedfbff4d8826cc