diff --git a/.gitmodules b/.gitmodules
index d0d1746..b9d357c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -223,3 +223,6 @@
 [submodule "visible_wielditem"]
 	path = visible_wielditem
 	url = https://github.com/appgurueu/visible_wielditem
+[submodule "rgblightstone"]
+	path = rgblightstone
+	url = https://github.com/Thomas--S/rgblightstone.git
diff --git a/rgblightstone b/rgblightstone
new file mode 160000
index 0000000..3af6d39
--- /dev/null
+++ b/rgblightstone
@@ -0,0 +1 @@
+Subproject commit 3af6d3936906f8a7bebb05c9d7b77b023049642b