diff --git a/Cargo.toml b/Cargo.toml
index 0045065d9d..9a604c68c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,5 +50,7 @@ members = [
 ]
 
 [features]
+# Enable all supported architectures by default.
+default = ["cranelift-codegen/all-arch"]
 lightbeam = ["wasmtime-environ/lightbeam", "wasmtime-jit/lightbeam"]
 wasi-c = ["wasmtime-wasi-c"]