diff --git a/Cargo.toml b/Cargo.toml
index a5b6c69..b90f9e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT"
 name = "bme680"
 repository = "https://github.com/dnutiu/bme680-rust"
 version = "0.7.0"
-edition = "2018"
+edition = "2021"
 
 [badges]
 maintenance = { status = "passively-maintained" }