diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..3c8e7a9
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/lib/djstdlib"]
+	path = src/lib/djstdlib
+	url = https://git.djledda.de/Ledda/djstdlib.git
diff --git a/src/lib/djstdlib b/src/lib/djstdlib
new file mode 160000
index 0000000..ec918c7
--- /dev/null
+++ b/src/lib/djstdlib
@@ -0,0 +1 @@
+Subproject commit ec918c7bc80031dbbf5b4be47d5dd641b164391b