diff --git a/src/cppgtfs b/src/cppgtfs
index 1175010..9d6be1c 160000
--- a/src/cppgtfs
+++ b/src/cppgtfs
@@ -1 +1 @@
-Subproject commit 1175010c872f177dc83dc4100e53fcb102961e8b
+Subproject commit 9d6be1c8720da3c72d151400ab86c646089d9484