diff --git a/contract/Cargo.toml b/contract/Cargo.toml
index 3d3553f..e180322 100644
--- a/contract/Cargo.toml
+++ b/contract/Cargo.toml
@@ -2,7 +2,7 @@
 name = "contract"
 version = "0.2.0"
 authors = ["darthsiroftardis <karan@casperlabs.io>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 casper-types.workspace = true