diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b46bdab
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "upstream"] 
+  path = upstream
+  url = https://github.com/astronomer/terraform-provider-astro.git
\ No newline at end of file