diff --git a/.gitmodules b/.gitmodules
index 9c0501a4d4..b5466376dd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -58,3 +58,6 @@
 [submodule "roms/qboot"]
 	path = roms/qboot
 	url = https://github.com/bonzini/qboot
+[submodule "ui/imgui"]
+	path = ui/imgui
+	url = https://github.com/ocornut/imgui
diff --git a/ui/imgui b/ui/imgui
new file mode 160000
index 0000000000..b016f1ad70
--- /dev/null
+++ b/ui/imgui
@@ -0,0 +1 @@
+Subproject commit b016f1ad709d6f7d22f43ce7b6e49ea343c70824