diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..11db961c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/qwprot"]
+	path = src/qwprot
+	url = https://github.com/QW-Group/qwprot.git
diff --git a/src/qwprot b/src/qwprot
new file mode 160000
index 00000000..3474ffa5
--- /dev/null
+++ b/src/qwprot
@@ -0,0 +1 @@
+Subproject commit 3474ffa5b1bba208738e62fa44e144a66baa35e7