diff --git a/README.md b/README.md
index 2249661..120dddd 100644
--- a/README.md
+++ b/README.md
@@ -47,3 +47,9 @@ Interpreter here is in deprecated state, new one (`wasmi`) can be found in separ
 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 parity-wasm by you, as defined in the Apache-2.0 license, shall be
+dual licensed as above, without any additional terms or conditions.
\ No newline at end of file