diff --git a/.gitmodules b/.gitmodules
index cca4a3e5..8cd5ea42 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -134,3 +134,6 @@
 [submodule "mods/arrow_signs"]
 	path = mods/arrow_signs
 	url = https://bitbucket.org/adrido/arrow_signs
+[submodule "mods/biome_lib"]
+	path = mods/biome_lib
+	url = https://github.com/VanessaE/biome_lib
diff --git a/mods/biome_lib b/mods/biome_lib
new file mode 160000
index 00000000..9cdcdcfe
--- /dev/null
+++ b/mods/biome_lib
@@ -0,0 +1 @@
+Subproject commit 9cdcdcfe6b9538c4f6daaa79c5e65f786f9577fa