diff --git a/Cargo.toml b/Cargo.toml
index af69b82..559d3ba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ include = [
     "/LICENSE-MIT",
     "/LICENSE-APACHE",
 ]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 embedded-hal = "0.2"