diff --git a/renovate.json b/renovate.json
index d18167d82..c18258ed7 100644
--- a/renovate.json
+++ b/renovate.json
@@ -8,7 +8,9 @@
   "customManagers": [
     {
       "customType": "regex",
-      "fileMatch": ["(^|/)Chart\\.yaml$"],
+      "managerFilePatterns": [
+        "/(^|/)Chart\\.yaml$/"
+      ],
       "matchStrings": [
         "#\\s*renovate:\\s*datasource=(?<datasource>.*?) depName=(?<depName>.*?)\\s+appVersion:\\s*[\"']?(?<currentValue>[^\"'\\s]+)[\"']?"
       ],