diff --git a/crates/syntaxis/src/lib.rs b/crates/syntaxis/src/lib.rs
index c8e0fd0d..c1a65e1d 100644
--- a/crates/syntaxis/src/lib.rs
+++ b/crates/syntaxis/src/lib.rs
@@ -856,7 +856,7 @@ mod tests {
             })
         }
 
-        fn extract(
+        async fn extract(
             &self,
             _download_path: &std::path::Path,
             _output_dir: &std::path::Path,