diff --git a/cities/germany/mainz b/cities/germany/mainz
index 94b59623..bb4b797c 160000
--- a/cities/germany/mainz
+++ b/cities/germany/mainz
@@ -1 +1 @@
-Subproject commit 94b59623cbbb57bfdac97f9d03b4aa760a1c509e
+Subproject commit bb4b797cf6eadb469b1e68a973b3b812c5d02bd1