diff --git a/renovate.json b/renovate.json
index 56b5994..e03b33e 100644
--- a/renovate.json
+++ b/renovate.json
@@ -3,10 +3,11 @@
   "gitlabci": {
     "enabled": false
   },
-  "regexManagers": [
+  "customManagers": [
     {
+      "customType": "regex",
       "description": "Track ansible-lint pip version from ARG in Dockerfile",
-      "fileMatch": ["^Dockerfile$"],
+      "managerFilePatterns": ["/^Dockerfile$/"],
       "matchStrings": ["ARG ANSIBLE_LINT_VERSION=(?<currentValue>[\\d.]+)\\n"],
       "depNameTemplate": "ansible-lint",
       "datasourceTemplate": "pypi"