diff --git a/Cargo.toml b/Cargo.toml
index b275f7830..053f71d4f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "wasmer"
 version = "0.1.3"
 authors = ["Syrus Akbary <me@syrusakbary.com>"]
-# edition = "2018"
+edition = "2018"
 repository = "https://github.com/wasmerio/wasmer"
 publish = true
 description = "High-Performance WebAssembly JIT interpreter"