diff --git a/renovate.json b/renovate.json
index 8640cce..d136ba1 100644
--- a/renovate.json
+++ b/renovate.json
@@ -1,26 +1,29 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "regexManagers": [
+  "customManagers": [
     {
+      "customType": "regex",
       "description": "Detect SABnzbd release version pin",
-      "fileMatch": ["Dockerfile"],
+      "managerFilePatterns": ["/Dockerfile/"],
       "matchStrings": ["SABNZBD_VERSION=(?<currentValue>[0-9.]+)"],
       "depNameTemplate": "sabnzbd/sabnzbd",
       "datasourceTemplate": "github-releases"
     },
     {
+      "customType": "regex",
       "description": "Detect Tini release version pin",
-      "fileMatch": ["Dockerfile"],
+      "managerFilePatterns": ["/Dockerfile/"],
       "matchStrings": ["\"TINI_VERSION\"\\s+\"v?(?<currentValue>[0-9.]+)\""],
       "depNameTemplate": "krallin/tini",
       "datasourceTemplate": "github-releases"
     },
     {
+      "customType": "regex",
       "description": "Detect par2cmdline release version pin",
-      "fileMatch": ["Dockerfile"],
+      "managerFilePatterns": ["/Dockerfile/"],
       "matchStrings": ["PAR2CMDLINE_VERSION=v?(?<currentValue>[0-9a-z.]+-mt\\d+)"],
       "depNameTemplate": "jkansanen/par2cmdline-mt",
       "datasourceTemplate": "github-tags"
     }
   ]
-}
\ No newline at end of file
+}