diff --git a/src/lib.rs b/src/lib.rs
index d50f5bd..9e6e278 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -353,7 +353,7 @@ impl From<deno_urlpattern::Error> for Error {
 }
 
 /// A Python module implemented in Rust.
-#[pymodule]
+#[pymodule(gil_used = false)]
 mod urlpattern {
     #[pymodule_export]
     use super::UrlPattern;