diff --git a/.gitmodules b/.gitmodules
index 1e8462e65ef254bb498fae68c55334c2628559d8..17b9aeee67a365a1a740e86c0f3ab9eb809bc54f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -199,3 +199,6 @@
 [submodule "advtrains_luaautomation_sync"]
 	path = advtrains_luaautomation_sync
 	url = https://gitlab.fachschaften.org/minetest/advtrains_luaautomation_sync.git
+[submodule "morelights_dim"]
+	path = morelights_dim
+	url = https://github.com/PeterNerlich/morelights-dim.git
diff --git a/morelights_dim b/morelights_dim
new file mode 160000
index 0000000000000000000000000000000000000000..b98f4efaf29eb513820f8ef3fe85d105e3b142ef
--- /dev/null
+++ b/morelights_dim
@@ -0,0 +1 @@
+Subproject commit b98f4efaf29eb513820f8ef3fe85d105e3b142ef