diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..66576d5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "thirdparty/imgui"]
+	path = thirdparty/imgui
+	url = https://github.com/ocornut/imgui.git