updated dependencies
diff --git a/requirements.yml b/requirements.yml
new file mode 100644
index 0000000..a4e6d6d
--- /dev/null
+++ b/requirements.yml
@@ -0,0 +1,8 @@
+---
+- src: https://github.com/carlosfrias/apigee-opdk-setup-default-settings
+
+- src: https://github.com/carlosfrias/apigee-opdk-server-self
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-postgresql-add
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-postgresql-remove