diff --git a/Cargo.toml b/Cargo.toml
index 3e487c5dda..516e1b468f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ version = "0.25.0"
 categories = ["command-line-utilities", "text-processing"]
 license = "MPL-2.0"
 authors = ["Sebastian Wiesner <sebastian@swsnr.de>"]
-edition = "2021"
+edition = "2018"
 
 [dependencies]
 ansi_term = "^0.12"
