diff --git a/libs/idsig/Android.bp b/libs/idsig/Android.bp
index 25eeae4..9f7d377 100644
--- a/libs/idsig/Android.bp
+++ b/libs/idsig/Android.bp
@@ -6,7 +6,7 @@
     name: "libidsig.defaults",
     crate_name: "idsig",
     srcs: ["src/lib.rs"],
-    edition: "2018",
+    edition: "2021",
     prefer_rlib: true,
     rustlibs: [
         "libanyhow",