diff --git a/.gitmodules b/.gitmodules
index 309d0be..e0a3620 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "simulation/imgui"]
 	path = simulation/imgui
 	url = https://github.com/ocornut/imgui.git
+	ignore = untracked