diff --git a/mongo-php-library b/mongo-php-library
index d421c418..abf31748 160000
--- a/mongo-php-library
+++ b/mongo-php-library
@@ -1 +1 @@
-Subproject commit d421c418ef56a96f3dfa6b2828f936df6848ccf9
+Subproject commit abf31748d250c755ebf6599e1f7b81a74fff04b5