1 files changed, 1 insertions, 0 deletions
diff --git a/Cargo.toml b/Cargo.toml
index 040124f..abec5bd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ keywords = ["config", "configuration", "settings", "env", "environment"]
 authors = ["Ryan Leckey <leckey.ryan@gmail.com>"]
 categories = ["config"]
 license = "MIT/Apache-2.0"
+edition = "2018"
 
 [badges]
 maintenance = { status = "actively-developed" }