diff --git a/.gitmodules b/.gitmodules
index 11f7edd..efb103e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "lib/HarmonyX"]
 	path = lib/HarmonyX
 	url = https://github.com/BepInEx/HarmonyX
+[submodule "lib/mcs-unity"]
+	path = lib/mcs-unity
+	url = https://github.com/sinai-dev/mcs-unity
diff --git a/lib/mcs-unity b/lib/mcs-unity
new file mode 160000
index 0000000..2253784
--- /dev/null
+++ b/lib/mcs-unity
@@ -0,0 +1 @@
+Subproject commit 2253784588a59fbca4f58c30d1f9dec97a5521e4