diff --git a/docs/schema/plugins.json b/docs/schema/plugins.json
index 66c6a7459..adcb7dce8 100644
--- a/docs/schema/plugins.json
+++ b/docs/schema/plugins.json
@@ -76,6 +76,9 @@
         },
         {
           "$ref": "https://raw.githubusercontent.com/timvink/mkdocs-git-revision-date-localized-plugin/master/docs/schema.json"
+        },
+        {
+          "$ref": "https://raw.githubusercontent.com/blueswen/mkdocs-glightbox/main/schema.json"
         }
       ]
     }