diff --git a/Cargo.toml b/Cargo.toml
index 759fd3d0f..8fadb3297 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,7 @@ description = "Pairing-friendly elliptic curve library"
 documentation = "https://docs.rs/pairing/"
 homepage = "https://github.com/ebfull/pairing"
 repository = "https://github.com/ebfull/pairing"
+edition ="2018"
 
 [dependencies]
 byteorder = "1"