diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..95d1c10
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "vergesort"]
+	path = vergesort
+	url = https://github.com/Morwenn/vergesort
diff --git a/vergesort b/vergesort
new file mode 160000
index 0000000..b0c2002
--- /dev/null
+++ b/vergesort
@@ -0,0 +1 @@
+Subproject commit b0c2002a2e85c7faae5c553b56a9767db5861cde