diff --git a/substrate/frame/contracts/Cargo.toml b/substrate/frame/contracts/Cargo.toml
index c238bdd14e73bd14fdb68a31c0d9efddb6dab2b2..0ee9e36f1dc783469c8350f9ad14012a13f5338b 100644
--- a/substrate/frame/contracts/Cargo.toml
+++ b/substrate/frame/contracts/Cargo.toml
@@ -8,6 +8,7 @@ homepage = "https://substrate.io"
 repository = "https://github.com/paritytech/substrate/"
 description = "FRAME pallet for WASM contracts"
 readme = "README.md"
+include = ["src/**/*", "README.md", "CHANGELOG.md"]
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]