diff --git a/Cargo.toml b/Cargo.toml
index 5b26017..cbcc2d0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-edition = "2018"
+edition = "2021"
 name = "bandwhich"
 description = "Display current network utilization by process, connection and remote IP/hostname"
 version = "0.20.0"
diff --git a/rustfmt.toml b/rustfmt.toml
index 32a9786..e69de29 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1 +0,0 @@
-edition = "2018"