diff --git a/libs/index.md b/libs/index.md
index 33a2bd7..f7e4ec9 100644
--- a/libs/index.md
+++ b/libs/index.md
@@ -70,6 +70,7 @@ Available color names:
 | david-dm | ![](/david/dep/zeit/pkg) | [/david/dep/zeit/pkg](/david/dep/zeit/pkg)
 | david-dm dev dependencies | ![](/david/dev/zeit/pkg) | [/david/dev/zeit/pkg](/david/dev/zeit/pkg)
 | david-dm peer dependencies | ![](/david/peer/epoberezkin/ajv-keywords) | [/david/peer/epoberezkin/ajv-keywords](/david/peer/epoberezkin/ajv-keywords)
+| david-dm optional dependencies | ![](/david/optional/epoberezkin/ajv-keywords) | [/david/optional/epoberezkin/ajv-keywords](/david/optional/epoberezkin/ajv-keywords)
 
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