Index: railway-provider-db-movas/Cargo.toml
===================================================================
--- railway-provider-db-movas.orig/Cargo.toml
+++ railway-provider-db-movas/Cargo.toml
@@ -40,8 +40,10 @@ version = "0.1"
 [dependencies.chrono]
 version = "0.4"
 
+#note: build will fail if railway-core is built against a different version
+#of chrono-tz.
 [dependencies.chrono-tz]
-version = "0.8.6"
+version = ">= 0.8.6, < 0.11"
 
 [dependencies.rcore]
 version = "0.1"
