diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f69ac91
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "CelerisLab"]
+	path = CelerisLab
+	url = https://github.com/Frank14f/CelerisLab.git
diff --git a/CelerisLab b/CelerisLab
new file mode 160000
index 0000000..1137e9a
--- /dev/null
+++ b/CelerisLab
@@ -0,0 +1 @@
+Subproject commit 1137e9a247d03490569c899c929fde07e0b4942b