diff --git a/renovate.json b/renovate.json
index 9869889..f906c9e 100644
--- a/renovate.json
+++ b/renovate.json
@@ -13,10 +13,9 @@
         "^Dockerfile$"
       ],
       "matchStrings": [
-        "\\s+ENV\\s*MORTY_VERSION=\"(?<currentDigest>.*?)\"\\s+"
+        "\\s+ENV\\s*MORTY_VERSION=\"(?<currentVersion>)(?<currentDigest>.*?)\"\\s+"
       ],
       "depNameTemplate": "https://github.com/asciimoo/morty.git",
-      "currentValueTemplate": null,
       "versioningTemplate": "git",
       "datasourceTemplate": "git-refs"
     },