1 files changed, 1 insertions, 0 deletions
diff --git a/Cargo.toml b/Cargo.toml
index c1f81fd..5fe7438 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "rustlings"
 version = "0.1.0"
 authors = ["olivia <olivia@fastmail.com>"]
+edition = "2018"
 
 [dependencies]
 clap = "2.32.0"