diff --git a/compos/composd/Android.bp b/compos/composd/Android.bp
index 937aa1a..07a9be3 100644
--- a/compos/composd/Android.bp
+++ b/compos/composd/Android.bp
@@ -5,7 +5,7 @@
 rust_binary {
     name: "composd",
     srcs: ["src/composd_main.rs"],
-    edition: "2018",
+    edition: "2021",
     prefer_rlib: true,
     rustlibs: [
         "android.system.composd-rust",