diff --git a/renovate.json b/renovate.json
index bae7653..2a102a0 100644
--- a/renovate.json
+++ b/renovate.json
@@ -3,30 +3,30 @@
   "customManagers": [
     {
       "customType": "regex",
-      "description": "Detect SABnzbd release version pin",
-      "fileMatch": ["/^Dockerfile$/"],
-      "matchStrings": ["SABNZBD_VERSION=(?<currentValue>[\\w\\.-]+)"],
+      "description": "Track SABnzbd version in Dockerfile",
+      "managerFilePatterns": ["/^Dockerfile$/"],
+      "matchStrings": ["SABNZBD_VERSION=(?<currentValue>[0-9\\.]+)"],
       "depNameTemplate": "sabnzbd/sabnzbd",
       "datasourceTemplate": "github-releases",
       "versioningTemplate": "semver"
     },
     {
       "customType": "regex",
-      "description": "Detect Tini release version pin",
-      "fileMatch": ["/^Dockerfile$/"],
-      "matchStrings": ["\"TINI_VERSION\"\\s+\"v?(?<currentValue>[\\w\\.-]+)\""],
+      "description": "Track Tini version in Dockerfile",
+      "managerFilePatterns": ["/^Dockerfile$/"],
+      "matchStrings": ["\"TINI_VERSION\"\\s+\"v?(?<currentValue>[0-9\\.]+)\""],
       "depNameTemplate": "krallin/tini",
       "datasourceTemplate": "github-releases",
       "versioningTemplate": "semver"
     },
     {
       "customType": "regex",
-      "description": "Detect par2cmdline release version pin",
-      "fileMatch": ["/^Dockerfile$/"],
+      "description": "Track par2cmdline version in Dockerfile",
+      "managerFilePatterns": ["/^Dockerfile$/"],
       "matchStrings": ["PAR2CMDLINE_VERSION=v?(?<currentValue>[\\w\\.-]+)"],
       "depNameTemplate": "jkansanen/par2cmdline-mt",
       "datasourceTemplate": "github-tags",
-      "versioningTemplate": "semver"
+      "versioningTemplate": "semver-coerced"
     }
   ]
 }
\ No newline at end of file