diff --git a/.gitmodules b/.gitmodules
index fb181e64b1..6a79e8891c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -12,3 +12,6 @@
 	path = llvm
 	url = https://github.com/llvm-mirror/llvm.git
 	branch = release_35
+[submodule "minidx9"]
+	path = minidx9
+	url = https://github.com/hrydgard/minidx9.git
diff --git a/minidx9 b/minidx9
new file mode 160000
index 0000000000..ec19e64346
--- /dev/null
+++ b/minidx9
@@ -0,0 +1 @@
+Subproject commit ec19e643461c84dbb256f6faaaab02cba61d4edc