diff --git a/annotation/annotations.gen.go b/annotation/annotations.gen.go
index 7c27dd9d51e..e74e3a59d39 100644
--- a/annotation/annotations.gen.go
+++ b/annotation/annotations.gen.go
@@ -458,8 +458,8 @@ var (
 	SidecarExtraStatTags = Instance {
 		Name:          "sidecar.istio.io/extraStatTags",
 		Description:   "An additional list of tags to extract from the in-proxy "+
-                        "Istio telemetry. each additional tag needs to be present "+
-                        "in this list.",
+                        "Istio Wasm telemetry. Each additional tag needs to be "+
+                        "present in this list.",
 		FeatureStatus: Alpha,
 		Hidden:        false,
 		Deprecated:    false,
@@ -587,6 +587,22 @@ var (
 		},
 	}
 
+	SidecarStatsHistogramBuckets = Instance {
+		Name:          "sidecar.istio.io/statsHistogramBuckets",
+		Description:   "Specifies the custom histogram buckets with a prefix "+
+                        "matcher to separate the Istio mesh metrics from the Envoy "+
+                        "stats, e.g. "+
+                        "`{`istio`:[1,5,10,50,100,500,1000,5000,10000],`envoy`:[1,5,10,25,50,100,250,500,1000,2500,5000,10000]}`. "+
+                        "Default buckets are "+
+                        "`[0.5,1,5,10,25,50,100,250,500,1000,2500,5000,10000,30000,60000,300000,600000,1800000,3600000]`.",
+		FeatureStatus: Alpha,
+		Hidden:        false,
+		Deprecated:    false,
+		Resources: []ResourceTypes{
+			Pod,
+		},
+	}
+
 	SidecarStatsInclusionPrefixes = Instance {
 		Name:          "sidecar.istio.io/statsInclusionPrefixes",
 		Description:   "Specifies the comma separated list of prefixes of the "+
@@ -851,6 +867,7 @@ func AllResourceAnnotations() []*Instance {
 		&SidecarProxyMemory,
 		&SidecarProxyMemoryLimit,
 		&SidecarRewriteAppHTTPProbers,
+		&SidecarStatsHistogramBuckets,
 		&SidecarStatsInclusionPrefixes,
 		&SidecarStatsInclusionRegexps,
 		&SidecarStatsInclusionSuffixes,
diff --git a/annotation/annotations.pb.html b/annotation/annotations.pb.html
index 47ddeaa30da..d4148044459 100644
--- a/annotation/annotations.pb.html
+++ b/annotation/annotations.pb.html
@@ -320,7 +320,7 @@
 					<td>Alpha</td>
 				
 					<td>[Pod]</td>
-					<td>An additional list of tags to extract from the in-proxy Istio telemetry. each additional tag needs to be present in this list.</td>
+					<td>An additional list of tags to extract from the in-proxy Istio Wasm telemetry. Each additional tag needs to be present in this list.</td>
 				</tr>
 			
 		
@@ -456,6 +456,19 @@
 		
 			
 				
+					<tr>
+				
+					<td><code>sidecar.istio.io/statsHistogramBuckets</code></td>
+				
+					<td>Alpha</td>
+				
+					<td>[Pod]</td>
+					<td>Specifies the custom histogram buckets with a prefix matcher to separate the Istio mesh metrics from the Envoy stats, e.g. `{"istio":[1,5,10,50,100,500,1000,5000,10000],"envoy":[1,5,10,25,50,100,250,500,1000,2500,5000,10000]}`. Default buckets are `[0.5,1,5,10,25,50,100,250,500,1000,2500,5000,10000,30000,60000,300000,600000,1800000,3600000]`.</td>
+				</tr>
+			
+		
+			
+				
 					<tr class="deprecated">
 				
 					<td><code>sidecar.istio.io/statsInclusionPrefixes</code></td>
diff --git a/annotation/annotations.yaml b/annotation/annotations.yaml
index 90160f2df28..b7a1c5f1b00 100644
--- a/annotation/annotations.yaml
+++ b/annotation/annotations.yaml
@@ -199,6 +199,14 @@ annotations:
     resources:
       - Pod
 
+  - name: sidecar.istio.io/statsHistogramBuckets
+    featureStatus: Alpha
+    description: Specifies the custom histogram buckets with a prefix matcher to separate the Istio mesh metrics from the Envoy stats, e.g. `{"istio":[1,5,10,50,100,500,1000,5000,10000],"envoy":[1,5,10,25,50,100,250,500,1000,2500,5000,10000]}`. Default buckets are `[0.5,1,5,10,25,50,100,250,500,1000,2500,5000,10000,30000,60000,300000,600000,1800000,3600000]`.
+    deprecated: false
+    hidden: false
+    resources:
+      - Pod
+
   - name: sidecar.istio.io/userVolume
     featureStatus: Alpha
     description: Specifies one or more user volumes (as a JSON array) to be added to
@@ -467,7 +475,7 @@ annotations:
 
   - name: sidecar.istio.io/extraStatTags
     featureStatus: Alpha
-    description: An additional list of tags to extract from the in-proxy Istio telemetry. each additional tag needs to be present in this list.
+    description: An additional list of tags to extract from the in-proxy Istio Wasm telemetry. Each additional tag needs to be present in this list.
     deprecated: false
     hidden: false
     resources:
@@ -521,4 +529,4 @@ annotations:
     deprecated: false
     hidden: true
     resources:
-      - Any
\ No newline at end of file
+      - Any