diff --git a/.gitmodules b/.gitmodules
index d25e87b..430cf38 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -28,3 +28,6 @@
 [submodule "msgpack-proto"]
 	path = msgpack-proto
 	url = https://github.com/valitydev/msgpack-proto.git
+[submodule "webhook-dispatcher-proto"]
+	path = webhook-dispatcher-proto
+	url = https://github.com/valitydev/webhook-dispatcher-proto.git
diff --git a/webhook-dispatcher-proto b/webhook-dispatcher-proto
new file mode 160000
index 0000000..8a265a5
--- /dev/null
+++ b/webhook-dispatcher-proto
@@ -0,0 +1 @@
+Subproject commit 8a265a5c10c3232a1c65c6ca741b73faa2d6e0d8