diff --git a/deps/zlib b/deps/zlib
index 02a6049e..a9b4c1de 160000
--- a/deps/zlib
+++ b/deps/zlib
@@ -1 +1 @@
-Subproject commit 02a6049eb3884c430268bb0fe3296d597a03174c
+Subproject commit a9b4c1de37bb1962048a6a83658479c3902ca9f8