diff --git a/deps/zlib b/deps/zlib
index 0f51fb4..534864b 160000
--- a/deps/zlib
+++ b/deps/zlib
@@ -1 +1 @@
-Subproject commit 0f51fb4933fc9ce18199cb2554dacea8033e7fd3
+Subproject commit 534864bccd78812648ad1beaccdeec7c9d47aeef