diff --git a/.gitmodules b/.gitmodules
index d433146..8212070 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -130,3 +130,6 @@
 [submodule "biome_lib"]
 	path = biome_lib
 	url = https://gitlab.com/VanessaE/biome_lib
+[submodule "hbarmor"]
+	path = hbarmor
+	url = https://repo.or.cz/minetest_hbarmor
diff --git a/hbarmor b/hbarmor
new file mode 160000
index 0000000..93d994c
--- /dev/null
+++ b/hbarmor
@@ -0,0 +1 @@
+Subproject commit 93d994cbad6a16f985919add5776b568d7a5d6d3