diff --git a/src/cppgtfs b/src/cppgtfs
index 9d6be1c..d444e71 160000
--- a/src/cppgtfs
+++ b/src/cppgtfs
@@ -1 +1 @@
-Subproject commit 9d6be1c8720da3c72d151400ab86c646089d9484
+Subproject commit d444e7185f783e0434386eef3b2d996ab246264b