diff --git a/rustfmt.toml b/rustfmt.toml
index 91f30174..4ee82b9a 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,4 +1,4 @@
-edition = "2018"
+edition = "2021"
 max_width = 120
 #indent_style = "Visual"
 #fn_call_width = 120