diff --git a/.gitmodules b/.gitmodules
index a0a89933df..e5904ca718 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -40,3 +40,6 @@
 [submodule "ffmpeg"]
 	path = externals/ffmpeg
 	url = https://git.ffmpeg.org/ffmpeg.git
+[submodule "externals/xbyak_aarch64"]
+	path = externals/xbyak_aarch64
+	url = https://github.com/herumi/xbyak_aarch64.git
diff --git a/externals/xbyak_aarch64 b/externals/xbyak_aarch64
new file mode 160000
index 0000000000..c0dd2c3e35
--- /dev/null
+++ b/externals/xbyak_aarch64
@@ -0,0 +1 @@
+Subproject commit c0dd2c3e35023c5f72e010aedc2ddcaa918fec15