diff --git a/.gitmodules b/.gitmodules
index 888d42d..d3d1250 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "lib/forge-std"]
 	path = lib/forge-std
 	url = https://github.com/foundry-rs/forge-std
+[submodule "lib/hats-module"]
+	path = lib/hats-module
+	url = https://github.com/Hats-Protocol/hats-module
diff --git a/lib/hats-module b/lib/hats-module
new file mode 160000
index 0000000..e83bd72
--- /dev/null
+++ b/lib/hats-module
@@ -0,0 +1 @@
+Subproject commit e83bd72cb3eebdbeadabcb63e3c6f69ab61a5562