diff --git a/kubernetes.json b/kubernetes.json
index 87e7b53..5453670 100644
--- a/kubernetes.json
+++ b/kubernetes.json
@@ -28,7 +28,8 @@
       "matchStrings": [
         "# renovate:\\n\\s+image:\\s+\"?'?(?<depName>[^:\\s]+):(?<currentValue>[^\"']+?)\"?'?\\s"
       ],
-      "datasourceTemplate": "docker"
+      "datasourceTemplate": "docker",
+      "pinDigests": true
     }
   ]
 }