diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 000000000..d7945d088
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[target.'cfg(target_arch="aarch64")']
+rustflags = ["--cfg", "aes_armv8"]