diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..0254b18
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "handmade-hero-notes"]
+	path = handmade-hero-notes
+	url = https://github.com/Ed94/handmade-hero-notes
diff --git a/handmade-hero-notes b/handmade-hero-notes
new file mode 160000
index 0000000..de9420a
--- /dev/null
+++ b/handmade-hero-notes
@@ -0,0 +1 @@
+Subproject commit de9420a64df83364c51d532b4970f6b581f703ac