diff --git a/renovate.json b/renovate.json
index d051e16..8c9435f 100644
--- a/renovate.json
+++ b/renovate.json
@@ -6,7 +6,7 @@
     {
       "fileMatch": ["^Dockerfile$"],
       "matchStrings": [
-        "datasource=(?<datasource>.*?) depName=(?<depName>.*?)( versioning=(?<versioning>.*?))?\\sENV .*?_VERSION=\"\\${.*:-(?<currentValue>.*)}\"\\s"
+        "# renovate: datasource=(?<datasource>\\S+) depName=(?<depName>\\S+)( versioning=(?<versioning>.*?))?\\nENV .*?_VERSION=\"\\${.*:-(?<currentValue>.*)}\"\\s"
       ]
     }
   ]