diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..b5240b4d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/mitm/dev"]
+	path = src/mitm/dev
+	url = https://github.com/decolua/9router-dev.git
diff --git a/src/mitm/dev b/src/mitm/dev
new file mode 160000
index 00000000..fc91f880
--- /dev/null
+++ b/src/mitm/dev
@@ -0,0 +1 @@
+Subproject commit fc91f880ae16fa037461fa17d5fc5c46b2bfdda9