diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..911f3ca
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "extern/Unity"]
+	path = extern/Unity
+	url = https://github.com/ThrowTheSwitch/Unity.git
diff --git a/extern/Unity b/extern/Unity
new file mode 160000
index 0000000..8ba0138
--- /dev/null
+++ b/extern/Unity
@@ -0,0 +1 @@
+Subproject commit 8ba01386008196a92ef4fdbdb0b00f2434c79563