diff --git a/.gitmodules b/.gitmodules
index 3196d351..efed4e05 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -233,3 +233,6 @@
 [submodule "mods/hazmat_suit"]
 	path = mods/hazmat_suit
 	url = https://github.com/stujones11/hazmat_suit
+[submodule "mods/player_monoids"]
+	path = mods/player_monoids
+	url = https://github.com/minetest-mods/player_monoids
diff --git a/mods/player_monoids b/mods/player_monoids
new file mode 160000
index 00000000..668bce37
--- /dev/null
+++ b/mods/player_monoids
@@ -0,0 +1 @@
+Subproject commit 668bce3772954d0f93996f96d5949ae93091148a