diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..334e4f4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "src/protobuf"]
+	path = src/protobuf
+	url = git@git.vatsim-germany.org:nav/aman-com.git
+	branch = feature/protobuf
diff --git a/src/protobuf b/src/protobuf
new file mode 160000
index 0000000..f36fc6d
--- /dev/null
+++ b/src/protobuf
@@ -0,0 +1 @@
+Subproject commit f36fc6d037ae1e918d180654ec81188de4de57c1