diff --git a/.gitmodules b/.gitmodules
index 9c7c17e95..1bcd07855 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "third_party/jansson"]
 	path = third_party/jansson
 	url = https://github.com/akheron/jansson.git
+[submodule "third_party/xbyak"]
+	path = third_party/xbyak
+	url = https://github.com/herumi/xbyak.git
diff --git a/third_party/xbyak b/third_party/xbyak
new file mode 160000
index 000000000..702d6e668
--- /dev/null
+++ b/third_party/xbyak
@@ -0,0 +1 @@
+Subproject commit 702d6e6683c322f08a36ea059f6d6f8263b1bd0d