diff --git a/authfs/tests/Android.bp b/authfs/tests/Android.bp
index 990daf3..72685ad 100644
--- a/authfs/tests/Android.bp
+++ b/authfs/tests/Android.bp
@@ -27,7 +27,7 @@
     name: "open_then_run",
     crate_name: "open_then_run",
     srcs: ["open_then_run.rs"],
-    edition: "2018",
+    edition: "2021",
     rustlibs: [
         "libandroid_logger",
         "libanyhow",