diff --git a/README.md b/README.md
index 90be301..21d84ea 100644
--- a/README.md
+++ b/README.md
@@ -8,3 +8,9 @@ WASM interpreter (previously lived in [parity-wasm](https://github.com/paritytec
 license and the Apache License (Version 2.0), at your choice.
 
 See LICENSE-APACHE, and LICENSE-MIT for details.
+
+## Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in `wasmi` by you, as defined in the Apache-2.0 license, shall be
+dual licensed as above, without any additional terms or conditions.