diff --git a/third_party/ss4s b/third_party/ss4s
index 15f393f8..734e643c 160000
--- a/third_party/ss4s
+++ b/third_party/ss4s
@@ -1 +1 @@
-Subproject commit 15f393f865a2345e15d12243f470486a4bb18df9
+Subproject commit 734e643cf19e9991bb6dbf478ffd58865c6e558f