diff --git a/zlib b/zlib
index 5089329162..cacf7f1d4e 160000
--- a/zlib
+++ b/zlib
@@ -1 +1 @@
-Subproject commit 50893291621658f355bc5b4d450a8d06a563053d
+Subproject commit cacf7f1d4e3d44d871b605da3b647f07d718623f