diff --git a/README.md b/README.md
index 1f9f5bf8..b40d97a8 100644
--- a/README.md
+++ b/README.md
@@ -64,3 +64,13 @@ Playground
An [Online Playground](https://alvinhochun.github.io/rhai-demo/) is available with syntax-highlighting editor.
Scripts can be evaluated directly from the editor.
+
+License
+-------
+
+Licensed under either of Apache License, Version
+2.0 or MIT license at your option.
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
+be dual licensed as above, without any additional terms or conditions.