diff --git a/.gitmodules b/.gitmodules
index d62d5b2..b28577f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "imgui"]
 	path = thirdparty/imgui
 	url = https://github.com/ocornut/imgui.git
+[submodule "nativefiledialog-extended"]
+	path = thirdparty/nativefiledialog-extended
+	url = https://github.com/btzy/nativefiledialog-extended.git