diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 00040bd8..875b0d44 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -2,3 +2,4 @@
 name = "rust"
 version = "0.2.0"
 authors = ["Michael Gerhaeuser <michael.gerhaeuser@gmail.com>", "rrokkam <rohithrokkam@gmail.com>"]
+edition = "2018"