diff --git a/src/cppgtfs b/src/cppgtfs
index 31e2079..ed6f987 160000
--- a/src/cppgtfs
+++ b/src/cppgtfs
@@ -1 +1 @@
-Subproject commit 31e2079cdad67e72eb371acce28580da57e962ce
+Subproject commit ed6f98731eb8614f0680804fe99633b1f502d99d