diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f06b3d2
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "ChronoSync"]
+	path = ChronoSync
+	url = https://github.com/named-data/ChronoSync.git
+	branch = dev