diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..829940a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "generate_series_package"]
+	path = generate_series_package
+	url = https://github.com/tensquaregames/Vertica-GenerateSeries-Extension
diff --git a/generate_series_package b/generate_series_package
new file mode 160000
index 0000000..0b3e5f5
--- /dev/null
+++ b/generate_series_package
@@ -0,0 +1 @@
+Subproject commit 0b3e5f591eabf66f46232e6c4957feda33608507