diff --git a/src/cppgtfs b/src/cppgtfs
index 0a3bbd6..77424d4 160000
--- a/src/cppgtfs
+++ b/src/cppgtfs
@@ -1 +1 @@
-Subproject commit 0a3bbd657ae0c18a3ce1a2e8ef370953cdcdff01
+Subproject commit 77424d491a7906172da3d0e0a58a84f9d9320882