diff --git a/renovate.json b/renovate.json
index 5fcf47a..b437483 100644
--- a/renovate.json
+++ b/renovate.json
@@ -1,12 +1,11 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "regexManagers": [
+  "customManagers": [
     {
+      "customType": "regex",
       "description": "Track n2-soul npm package pinned in Dockerfile RUN command",
-      "fileMatch": ["^Dockerfile$"],
-      "matchStrings": [
-        "n2-soul@(?<currentValue>[^\\s]+)"
-      ],
+      "managerFilePatterns": ["/^Dockerfile$/"],
+      "matchStrings": ["n2-soul@(?<currentValue>[^\\s]+)"],
       "depNameTemplate": "n2-soul",
       "datasourceTemplate": "npm",
       "versioningTemplate": "npm"