diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..926e1a2
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "godot-cpp"]
+	path = godot-cpp
+	url = https://github.com/GodotNativeTools/godot-cpp
+	branch = 3.1
diff --git a/godot-cpp b/godot-cpp
new file mode 160000
index 0000000..e4ad265
--- /dev/null
+++ b/godot-cpp
@@ -0,0 +1 @@
+Subproject commit e4ad265339f17042a86227bfb44f9d5d7dee5ba4