diff --git a/staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go b/staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go
index 450a6653da6..ba2aed69d44 100644
--- a/staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go
+++ b/staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go
@@ -229,7 +229,7 @@ var (
 			Subsystem:      APIServerComponent,
 			Name:           "request_filter_duration_seconds",
 			Help:           "Request filter latency distribution in seconds, for each filter type",
-			Buckets:        []float64{0.0001, 0.0003, 0.001, 0.003, 0.01, 0.03, 0.1, 0.3, 1.0, 5.0},
+			Buckets:        []float64{0.0001, 0.0003, 0.001, 0.003, 0.01, 0.03, 0.1, 0.3, 1.0, 5.0, 10.0, 15.0, 30.0},
 			StabilityLevel: compbasemetrics.ALPHA,
 		},
 		[]string{"filter"},
diff --git a/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/metrics/metrics.go b/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/metrics/metrics.go
index 7cb05df6c89..a6b22a1a62b 100644
--- a/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/metrics/metrics.go
+++ b/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/metrics/metrics.go
@@ -47,7 +47,7 @@ const (
 
 var (
 	queueLengthBuckets            = []float64{0, 10, 25, 50, 100, 250, 500, 1000}
-	requestDurationSecondsBuckets = []float64{0, 0.005, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 30}
+	requestDurationSecondsBuckets = []float64{0, 0.005, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 15, 30}
 )
 
 var registerMetrics sync.Once
diff --git a/test/instrumentation/documentation/documentation-list.yaml b/test/instrumentation/documentation/documentation-list.yaml
index f29e16ef063..719613011d3 100644
--- a/test/instrumentation/documentation/documentation-list.yaml
+++ b/test/instrumentation/documentation/documentation-list.yaml
@@ -2727,6 +2727,9 @@
   - 0.3
   - 1
   - 5
+  - 10
+  - 15
+  - 30
 - name: request_post_timeout_total
   subsystem: apiserver
   help: Tracks the activity of the request handlers after the associated requests
@@ -3609,6 +3612,7 @@
   - 2
   - 5
   - 10
+  - 15
   - 30
 - name: seat_fair_frac
   subsystem: flowcontrol