diff --git a/core/grim/Cargo.toml b/core/grim/Cargo.toml
index c16fa8f..768593b 100644
--- a/core/grim/Cargo.toml
+++ b/core/grim/Cargo.toml
@@ -25,7 +25,7 @@ nom = "7.1.3"
 # pyo3 = { version = "0.17.3", optional = true, features = [ "extension-module" ] }
 pyo3 = { git = "https://github.com/PyO3/pyo3", branch = "cfg-feature-pyo3", optional = true, features = [ "experimental-inspect", "extension-module" ] }
 rayon = "1.10.0"
-regex = { version = "1.10.4", default-features = false, features = [ "std" ] }
+regex = { version = "1.10.4", default-features = false, features = [ "std", "unicode" ] }
 serde = { optional = true, workspace = true }
 thiserror = { workspace = true }
 wav = { version = "1.0.0", optional = true }