diff --git a/source/navitia-proto b/source/navitia-proto
index e7c7fbb6ba..bbb31a948b 160000
--- a/source/navitia-proto
+++ b/source/navitia-proto
@@ -1 +1 @@
-Subproject commit e7c7fbb6ba593309e0e6036593a9ef133e319419
+Subproject commit bbb31a948b969e295e9607cf5208376fda42eb00