diff --git a/mongo-php-library b/mongo-php-library
index abf31748..189700f7 160000
--- a/mongo-php-library
+++ b/mongo-php-library
@@ -1 +1 @@
-Subproject commit abf31748d250c755ebf6599e1f7b81a74fff04b5
+Subproject commit 189700f78c721fbb178907eeb26cecb085c2fb18