diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ccd1110
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/ros2_interfaces_pkg"]
+	path = src/ros2_interfaces_pkg
+	url = git@github.com:SHC-ASTRA/ros2_interfaces_pkg.git
diff --git a/src/ros2_interfaces_pkg b/src/ros2_interfaces_pkg
new file mode 160000
index 0000000..d29996f
--- /dev/null
+++ b/src/ros2_interfaces_pkg
@@ -0,0 +1 @@
+Subproject commit d29996f544d19e76bddc84a20c70a6c52bc4ee14