diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..f1e8ed977719240f7573a63fe1b05d291306c5cb
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "MakeGencodeTSS"]
+	path = MakeGencodeTSS
+	url = https://github.com/sdjebali/MakeGencodeTSS
diff --git a/MakeGencodeTSS b/MakeGencodeTSS
new file mode 160000
index 0000000000000000000000000000000000000000..00ff3b145dba533d9084a1d99f000d6084780156
--- /dev/null
+++ b/MakeGencodeTSS
@@ -0,0 +1 @@
+Subproject commit 00ff3b145dba533d9084a1d99f000d6084780156