diff --git a/cumulus/bridges/primitives/parachains/Cargo.toml b/cumulus/bridges/primitives/parachains/Cargo.toml
index 426597a250..c18c931bd3 100644
--- a/cumulus/bridges/primitives/parachains/Cargo.toml
+++ b/cumulus/bridges/primitives/parachains/Cargo.toml
@@ -3,7 +3,7 @@ name = "bp-parachains"
 description = "Primitives of parachains module."
 version = "0.1.0"
 authors = ["Parity Technologies <admin@parity.io>"]
-edition = "2018"
+edition = "2021"
 license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 
 [dependencies]