diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..14a952e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "tests/munit"]
+	path = tests/munit
+	url = https://github.com/nemequ/munit.git
diff --git a/tests/munit b/tests/munit
new file mode 160000
index 0000000..fbbdf14
--- /dev/null
+++ b/tests/munit
@@ -0,0 +1 @@
+Subproject commit fbbdf1467eb0d04a6ee465def2e529e4c87f2118