diff --git a/data_model/Cargo.toml b/data_model/Cargo.toml
index 595d05c7a2..b1447a6263 100644
--- a/data_model/Cargo.toml
+++ b/data_model/Cargo.toml
@@ -2,6 +2,7 @@
 name = "data_model"
 version = "0.1.0"
 authors = ["The Chromium OS Authors"]
+edition = "2018"
 include = ["src/**/*", "Cargo.toml"]
 
 [dependencies]