diff --git a/kubernetes.json b/kubernetes.json
index 251fdf6..73584ba 100644
--- a/kubernetes.json
+++ b/kubernetes.json
@@ -33,5 +33,15 @@
       "datasources": ["kubernetes-api"],
       "enabled": false
     }
+  ],
+  "regexManagers": [
+    {
+      "fileMatch": ["flux/(.+/)patch(Cluster)\\.ya?ml$"],
+      "matchStrings": [
+        "^\\s+(imageName):\\s+\"?'?(?<depName>[^:\\s]+):(?<currentValue>[^\"'@]+?)(?:@(?<currentDigest>sha256:[a-f0-9]+))?\"?'?\\s"
+      ],
+      "datasourceTemplate": "docker",
+      "pinDigests": true
+    }
   ]
 }