diff --git a/index.md b/index.md
index d8f3ba9..d9dc016 100644
--- a/index.md
+++ b/index.md
@@ -8,6 +8,7 @@ type: docs
 Setup docker-renovate garbage collector. Keep docker hosts small.
 
 * [Default Variables](#default-variables)
+  * [renovate_binary_source](#renovate_binary_source)
   * [renovatebot_autodiscover](#renovatebot_autodiscover)
   * [renovatebot_autodiscover_filter](#renovatebot_autodiscover_filter)
   * [renovatebot_endpoint](#renovatebot_endpoint)
@@ -28,6 +29,14 @@ Setup docker-renovate garbage collector. Keep docker hosts small.
 
 ## Default Variables
 
+### renovate_binary_source
+
+#### Default value
+
+```YAML
+renovate_binary_source: global
+```
+
 ### renovatebot_autodiscover
 
 #### Default value