diff --git a/lib/config/presets/internal/regex-managers.ts b/lib/config/presets/internal/regex-managers.ts
index b0411f4160f37017413bfad712615fb6fe9acd0e..cc489836c80c9af411ea902a5597708be9670e23 100644
--- a/lib/config/presets/internal/regex-managers.ts
+++ b/lib/config/presets/internal/regex-managers.ts
@@ -7,7 +7,7 @@ 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>[a-z-0-9]+?))?\\s(?:ENV|ARG) .+?_VERSION[ =]"?(?<currentValue>.+?)"?\\s',
         ],
       },
     ],