diff --git a/renovate.json b/renovate.json
index 21d0d6f195e4a8d61d5dbea89e50e177c19f7a6d..f2440f74911f01e7bc1958a7408094a9f65301c7 100644
--- a/renovate.json
+++ b/renovate.json
@@ -7,12 +7,12 @@
   ],
   "regexManagers": [{
       "fileMatch": [
-        "^Dockerfile$"
+        "^hardening_manifest.yaml$"
       ],
       "matchStrings": [
-        "version=\"(?<currentValue>.*?)\""
+        "BASE_TAG:\\s+\"(?<currentValue>.+?)\""
       ],
-      "depNameTemplate": "mitre/heimdall2",
+      "depNameTemplate": "registry1.dso.mil/ironbank/nodejs/nodejs14",
       "datasourceTemplate": "docker"
     },
     {