diff --git a/.gitmodules b/.gitmodules
index be6503d..a79bb1a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "lib/ee24"]
 	path = lib/ee24
 	url = git@git.lan:oliver/ee24.git
+[submodule "proto"]
+	path = proto
+	url = git@git.lan:oliver/cls-proto.git
diff --git a/proto b/proto
new file mode 160000
index 0000000..c771175
--- /dev/null
+++ b/proto
@@ -0,0 +1 @@
+Subproject commit c771175e39936f078b803dce8f2ce2370199ed1d