diff --git a/cli/args/flags.rs b/cli/args/flags.rs
index 7712a291e5..ca285112e3 100644
--- a/cli/args/flags.rs
+++ b/cli/args/flags.rs
@@ -1312,6 +1312,7 @@ supported in canary.
           .help("Target OS architecture")
           .value_parser([
             "x86_64-unknown-linux-gnu",
+            "aarch64-unknown-linux-gnu",
             "x86_64-pc-windows-msvc",
             "x86_64-apple-darwin",
             "aarch64-apple-darwin",