diff --git a/renovate.json b/renovate.json
index 7ef7a465bec557148e21cf510fac46a6a87d3129..5540f9290c8b06140ccc0c533d83a7b691a7a1c0 100644
--- a/renovate.json
+++ b/renovate.json
@@ -75,7 +75,7 @@
     {
       "fileMatch": ["Dockerfile$","Earthfile$"],
       "matchStrings": [
-        "#\\s*renovate:\\s*datasource=(?<datasource>.*?) depName=(?<depName>.*?)( versioning=(?<versioning>.*?))?\\sENV .*?_VERSION=\"(?<currentValue>.*)\"\\s"
+        "#\\s*renovate:\\s*datasource=(?<datasource>.*?) depName=(?<depName>.*?)( versioning=(?<versioning>.*?))?\\s+(ENV|ARG) .*?_VERSION=\"?(?<currentValue>.*)\"?\\s"
       ],
       "versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver{{/if}}"
     }