diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..37aa38f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "flutter"]
+	path = flutter
+	url = https://github.com/flutter/flutter.git
diff --git a/flutter b/flutter
new file mode 160000
index 0000000..c236373
--- /dev/null
+++ b/flutter
@@ -0,0 +1 @@
+Subproject commit c23637390482d4cf9598c3ce3f2be31aa7332daf