diff --git a/renovate.json b/renovate.json
index 2d0657a..e90f058 100644
--- a/renovate.json
+++ b/renovate.json
@@ -9,7 +9,7 @@
       "datasourceTemplate": "docker",
       "versioningTemplate": "docker",
       "matchStrings": [
-        "image: (?<depName>.*?):(?<currentValue>.*?)(@sha256:(?<currentDigest>.*?))?\\s"
+        "image: (?<depName>.*?):(?<currentValue>.*?)(@(?<currentDigest>sha256:.*?))?\\s"
       ]
     }
   ]