--- a/rust/lfprng/Cargo.toml	Tue Nov 13 16:54:40 2018 +0100
+++ b/rust/lfprng/Cargo.toml	Tue Nov 13 20:01:43 2018 +0300
@@ -2,5 +2,6 @@
 name = "lfprng"
 version = "0.1.0"
 authors = ["Andrey Korotaev <a.korotaev@hedgewars.org>"]
+edition = "2018"
 
 [dependencies]