diff --git a/renovate.json b/renovate.json
index 5442e5d..da8e815 100644
--- a/renovate.json
+++ b/renovate.json
@@ -3,10 +3,11 @@
   "gitlabci": {
     "enabled": false
   },
-  "regexManagers": [
+  "customManagers": [
     {
+      "customType": "regex",
       "description": "Track awscli pip version from ARG in Dockerfile",
-      "fileMatch": ["^Dockerfile$"],
+      "managerFilePatterns": ["/^Dockerfile$/"],
       "matchStrings": ["ARG CLI_VERSION=(?<currentValue>[\\d.]+)\\n"],
       "depNameTemplate": "awscli",
       "datasourceTemplate": "pypi"