diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..2d90e46
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "lib/imgui"]
+	path = lib/imgui
+	url = https://github.com/ocornut/imgui.git
diff --git a/lib/imgui b/lib/imgui
new file mode 160000
index 0000000..6ded523
--- /dev/null
+++ b/lib/imgui
@@ -0,0 +1 @@
+Subproject commit 6ded5230d043aa32c755e65c910c2af5002fb9f9