diff --git a/.luacheckrc b/.luacheckrc
index 36b4451..06b25c3 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -76,4 +76,5 @@ read_globals = {
     "XTumbleweed",
     "x_obsidianmese",
     "x_farming",
+    "x_clay",
 }
diff --git a/.luarc.json b/.luarc.json
index 55ef361..ec52474 100644
--- a/.luarc.json
+++ b/.luarc.json
@@ -110,7 +110,8 @@
             "stairs",
             "XTumbleweed",
             "x_obsidianmese",
-            "x_farming"
+            "x_farming",
+            "x_clay"
         ]
     }
 }
diff --git a/README.md b/README.md
index fd8d2c6..fb963d4 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,7 @@ https://bitbucket.org/minetest_gamers/everness/issues
 - x_obsidianmese (for paths)
 - x_tumbleweed (adds tumbleweeds to deserts)
 - x_farming (bonemeal, recipes...)
+- x_clay (mapgen structures, loot chests...)
 
 ## License
 
diff --git a/mod.conf b/mod.conf
index 58c085d..3c8f791 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,6 +1,6 @@
 name = everness
 description = Never ending discovery in Everness mapgen.
 depends = default
-optional_depends = xpanes, doors, stairs, walls, x_obsidianmese, x_tumbleweed, x_farming
+optional_depends = xpanes, doors, stairs, walls, x_obsidianmese, x_tumbleweed, x_farming, x_clay
 supported_games = minetest_game
 min_minetest_version = 5.4