diff --git a/src/cppgtfs b/src/cppgtfs
index d26d579..3dd6bff 160000
--- a/src/cppgtfs
+++ b/src/cppgtfs
@@ -1 +1 @@
-Subproject commit d26d5794d396141905d71ecb8cd4f45e0120cba7
+Subproject commit 3dd6bff6df4356fe02394ec91bdf029c60e5e214