diff --git a/src/api/json/catalog.json b/src/api/json/catalog.json
index 342deb129d6..692dfbb03d3 100644
--- a/src/api/json/catalog.json
+++ b/src/api/json/catalog.json
@@ -5731,6 +5731,16 @@
       "fileMatch": ["**/sites/*/config.yaml", "**/sites/*/config.yml"],
       "url": "https://json.schemastore.org/typo3.json"
     },
+    {
+      "name": "TYPO3 Vendor Bundler config",
+      "description": "Configuration for TYPO3 Vendor Bundler, a Composer library to bundle vendor libraries for TYPO3 extensions in classic mode",
+      "fileMatch": [
+        "typo3-vendor-bundler.json",
+        "typo3-vendor-bundler.yaml",
+        "typo3-vendor-bundler.yml"
+      ],
+      "url": "https://raw.githubusercontent.com/eliashaeussler/typo3-vendor-bundler/refs/heads/main/res/typo3-vendor-bundler.schema.json"
+    },
     {
       "name": "Typst Manifest",
       "description": "Typst package manifest file (typst.toml)",