diff --git a/rox_compiler/Cargo.toml b/rox_compiler/Cargo.toml
index cf8ad50..7219a68 100644
--- a/rox_compiler/Cargo.toml
+++ b/rox_compiler/Cargo.toml
@@ -10,7 +10,7 @@ authors = ["Rhys Lloyd <krakow20@gmail.com>"]
 
 [dependencies]
 futures = "0.3.30"
-regex = { version = "1.11.3", default-features = false }
+regex = { version = "1.11.3", default-features = false, features = ["unicode-perl"] }
 rayon = "1.8.0"
 rbx_dom_weak = "4.0.0"
 rbx_xml = "2.0.0"