diff --git a/lib/config/presets/internal/regex-managers.ts b/lib/config/presets/internal/regex-managers.ts
index 5dd72d6ba4ae20d0efd34d6d4cfc8b1bffe3df2d..68d52c82a9bb4fe10ea96d379753a40701dd557f 100644
--- a/lib/config/presets/internal/regex-managers.ts
+++ b/lib/config/presets/internal/regex-managers.ts
@@ -9,7 +9,7 @@ export const presets: Record<string, Preset> = {
       {
         fileMatch: ['(^|/|\\.)Dockerfile$', '(^|/)Dockerfile[^/]*$'],
         matchStrings: [
-          '# renovate: datasource=(?<datasource>[a-z-]+?) depName=(?<depName>[^\\s]+?)(?: (lookupName|packageName)=(?<packageName>[^\\s]+?))?(?: versioning=(?<versioning>[a-z-0-9]+?))?\\s(?:ENV|ARG) .+?_VERSION[ =]"?(?<currentValue>.+?)"?\\s',
+          '# renovate: datasource=(?<datasource>[a-z-]+?) depName=(?<depName>[^\\s]+?)(?: (lookupName|packageName)=(?<packageName>[^\\s]+?))?(?: versioning=(?<versioning>[^\\s]+?))?(?: registryUrl=(?<registryUrl>[^\\s]+?))?\\s(?:ENV|ARG) .+?_VERSION[ =]"?(?<currentValue>.+?)"?\\s',
         ],
       },
     ],