diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..c8db056
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "enumeration/Sublist3r"]
+	path = enumeration/Sublist3r
+	url = https://github.com/aboul3la/Sublist3r.git