diff --git a/.gitmodules b/.gitmodules
index 31b9b626..aaa22423 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "src/lib/imgui_test_engine"]
 	path = src/lib/imgui_test_engine
 	url = https://github.com/ocornut/imgui_test_engine.git
+[submodule "src/lib/nativefiledialog-extended"]
+	path = src/lib/nativefiledialog-extended
+	url = https://github.com/btzy/nativefiledialog-extended.git
diff --git a/src/lib/nativefiledialog-extended b/src/lib/nativefiledialog-extended
new file mode 160000
index 00000000..29e3bcb5
--- /dev/null
+++ b/src/lib/nativefiledialog-extended
@@ -0,0 +1 @@
+Subproject commit 29e3bcb578345b9fa345d1d7683f00c150565ca3