diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 49318e1c..1370e03e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,6 +29,7 @@ jobs:
           - "--features no_object"
           - "--features no_function"
           - "--features no_module"
+          - "--features unicode-xid-ident"
         toolchain: [stable]
         experimental: [false]
         include:
diff --git a/doc/src/links.md b/doc/src/links.md
index 889cee29..936c714d 100644
--- a/doc/src/links.md
+++ b/doc/src/links.md
@@ -12,6 +12,7 @@
 [`no_std`]: {{rootUrl}}/start/features.md
 [`no-std`]: {{rootUrl}}/start/features.md
 [`internals`]: {{rootUrl}}/start/features.md
+[`unicode-xid-ident`]: {{rootUrl}}/start/features.md
 
 [minimal builds]: {{rootUrl}}/start/builds/minimal.md
 [WASM]: {{rootUrl}}/start/builds/wasm.md
diff --git a/doc/src/start/features.md b/doc/src/start/features.md
index f2286a38..9f9f3808 100644
--- a/doc/src/start/features.md
+++ b/doc/src/start/features.md
@@ -26,6 +26,7 @@ more control over what a script can (or cannot) do.
 | `no_std`      | Build for `no-std`. Notice that additional dependencies will be pulled in to replace `std` features.                                                                                                       |
 | `serde`       | Enable serialization/deserialization via [`serde`]. Notice that the [`serde`](https://crates.io/crates/serde) crate will be pulled in together with its dependencies.                                      |
 | `internals`   | Expose internal data structures (e.g. [`AST`] nodes). Beware that Rhai internals are volatile and may change from version to version.                                                                      |
+| `unicode-xid-ident`   | Allow unicode-xid for identifiers.                   |
 
 
 Example