diff --git a/authfs/service/Android.bp b/authfs/service/Android.bp
index 943db35..e9eec1e 100644
--- a/authfs/service/Android.bp
+++ b/authfs/service/Android.bp
@@ -7,7 +7,7 @@
     srcs: [
         "src/main.rs",
     ],
-    edition: "2018",
+    edition: "2021",
     rustlibs: [
         "authfs_aidl_interface-rust",
         "libandroid_logger",