diff --git a/README.md b/README.md
index a6938047f..8fddda70b 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ coins in a given Bitcoin transaction
 More information can be found in [the documentation](https://docs.rs/miniscript)
 or in [the `examples/` directory](https://github.com/rust-bitcoin/rust-miniscript/tree/master/examples)
 
+An [ANTLR4 grammar](https://github.com/antlr/grammars-v4/tree/master/miniscript) for Miniscript expressions is available in the ANTLR `grammars-v4` repository.
+
 ## Minimum Supported Rust Version (MSRV)
 
 This library should always compile with any combination of features on **Rust 1.63.0**.