diff --git a/Cargo.toml b/Cargo.toml
index fce5e69e..fbac8a5c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "mcfly"
 version = "0.6.0"
 authors = ["Andrew Cantino <cantino@users.noreply.github.com>"]
-edition = "2018"
+edition = "2021"
 description = "McFly replaces your default ctrl-r shell history search with an intelligent search engine that takes into account your working directory and the context of recently executed commands. McFly's suggestions are prioritized in real time with a small neural network."
 license = "MIT"
 repository = "https://github.com/cantino/mcfly"