diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..7c7a0b8
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "jail"]
+	path = jail
+	url = https://github.com/simcop2387/perlbot-jail
diff --git a/jail b/jail
new file mode 160000
index 0000000..2c94897
--- /dev/null
+++ b/jail
@@ -0,0 +1 @@
+Subproject commit 2c94897ef66d5fbd763f9c7bb6ab5c364fc8a420