diff --git a/upstream/docs/metrics.md b/upstream/docs/metrics.md
index 9f1b07f333..791470bbf8 100644
--- a/upstream/docs/metrics.md
+++ b/upstream/docs/metrics.md
@@ -14,16 +14,21 @@ for more details.
 
 The following chains metrics are also available at `tekton-chains-metrics` service on port `9090`.
 
-| Name                                                                                    | Type | Description |
-|-----------------------------------------------------------------------------------------| ----------- | ----------- |
-| `watcher_pipelinerun_sign_created_total`                                             | Counter | Total number of signed messages for pipelineruns |
-| `watcher_pipelinerun_payload_uploaded_total`                                             | Counter | Total number of uploaded payloads for pipelineruns |
-| `watcher_pipelinerun_payload_stored_total`                                             | Counter | Total number of stored payloads for pipelineruns |
-| `watcher_pipelinerun_marked_signed_total`                                             | Counter | Total number of objects marked as signed for pipelineruns |
-| `watcher_taskrun_sign_created_total`                                             | Counter | Total number of signed messages for taskruns |
-| `watcher_taskrun_payload_uploaded_total`                                             | Counter | Total number of uploaded payloads for taskruns |
-| `watcher_taskrun_payload_stored_total`                                             | Counter | Total number of stored payloads for taskruns |
-| `watcher_taskrun_marked_signed_total`                                             | Counter | Total number of objects marked as signed for taskruns |
+| Name | Type | Description |
+|---|---|---|
+| `watcher_pipelinerun_sign_created_total` | Counter | Total number of signed messages for pipelineruns |
+| `watcher_pipelinerun_payload_uploaded_total` | Counter | Total number of uploaded payloads for pipelineruns |
+| `watcher_pipelinerun_payload_stored_total` | Counter | Total number of stored payloads for pipelineruns |
+| `watcher_pipelinerun_marked_signed_total` | Counter | Total number of objects marked as signed for pipelineruns |
+| `watcher_taskrun_sign_created_total` | Counter | Total number of signed messages for taskruns |
+| `watcher_taskrun_payload_uploaded_total` | Counter | Total number of uploaded payloads for taskruns |
+| `watcher_taskrun_payload_stored_total` | Counter | Total number of stored payloads for taskruns |
+| `watcher_taskrun_marked_signed_total` | Counter | Total number of objects marked as signed for taskruns |
+| `pipelinerun_error_count` | Counter | Number of errors encountered during pipeline run processing |
+| `pipelinerun_process_duration_seconds` | Distribution | Time taken to process pipeline runs in seconds |
+| `pipelinerun_retry_count` | Counter | Number of retries attempted for failed pipeline runs |
+| `pipelinerun_queue_depth` | Gauge | Current number of pipeline runs waiting in queue |
+| `pipelinerun_attestation_generated_total` | Counter | Total number of attestations generated for pipeline runs |
 
 To access the chains metrics, use the following commands:
 ```shell
@@ -31,3 +36,5 @@ kubectl port-forward -n tekton-chains service/tekton-chains-metrics 9090
 ```
 
 And then check that changes have been applied to metrics coming from [http://127.0.0.1:9090/metrics](http://127.0.0.1:9090/metrics)
+```
+```
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