diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a47ab4d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "vendor/flserial"]
+	path = vendor/flserial
+	url = git@github.com:MeshEnvy/flserial.git
diff --git a/vendor/flserial b/vendor/flserial
new file mode 160000
index 0000000..58d83ec
--- /dev/null
+++ b/vendor/flserial
@@ -0,0 +1 @@
+Subproject commit 58d83ecc72e6ecaf6fb7f77691cd7ebc3c39aeb4