diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..d7068fc
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "qubo_lab"]
+	path = qubo_lab
+	url = http://sargas.org:3000/QA_SAT/qubo_lab.git
diff --git a/qubo_lab b/qubo_lab
new file mode 160000
index 0000000..f1c6379
--- /dev/null
+++ b/qubo_lab
@@ -0,0 +1 @@
+Subproject commit f1c63793c71cf75069d6117473b580c428ae0d63