diff --git a/docs/serving-api.md b/docs/serving-api.md
index a4f2bcaf37f9..77aad5ea6a63 100644
--- a/docs/serving-api.md
+++ b/docs/serving-api.md
@@ -58,7 +58,7 @@ string
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
@@ -102,7 +102,7 @@ Defaults to <code>0</code> which means unlimited concurrency.</p>
 <td>
 <code>scaleTargetRef</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectreference-v1-core">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectreference-v1-core">
 Kubernetes core/v1.ObjectReference
 </a>
 </em>
@@ -176,7 +176,7 @@ PodAutoscalerStatus
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
@@ -380,7 +380,7 @@ Defaults to <code>0</code> which means unlimited concurrency.</p>
 <td>
 <code>scaleTargetRef</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectreference-v1-core">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectreference-v1-core">
 Kubernetes core/v1.ObjectReference
 </a>
 </em>
@@ -520,7 +520,7 @@ the referenced resources may take.</p>
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
@@ -557,7 +557,7 @@ int32
 <td>
 <code>selector</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#labelselector-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#labelselector-v1-meta">
 Kubernetes meta/v1.LabelSelector
 </a>
 </em>
@@ -569,7 +569,7 @@ Kubernetes meta/v1.LabelSelector
 <td>
 <code>template</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#podtemplatespec-v1-core">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#podtemplatespec-v1-core">
 Kubernetes core/v1.PodTemplateSpec
 </a>
 </em>
@@ -625,7 +625,7 @@ int32
 <td>
 <code>selector</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#labelselector-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#labelselector-v1-meta">
 Kubernetes meta/v1.LabelSelector
 </a>
 </em>
@@ -637,7 +637,7 @@ Kubernetes meta/v1.LabelSelector
 <td>
 <code>template</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#podtemplatespec-v1-core">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#podtemplatespec-v1-core">
 Kubernetes core/v1.PodTemplateSpec
 </a>
 </em>
@@ -757,7 +757,7 @@ string
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
@@ -851,7 +851,7 @@ string
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
@@ -880,7 +880,7 @@ RevisionSpec
 <td>
 <code>PodSpec</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#podspec-v1-core">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#podspec-v1-core">
 Kubernetes core/v1.PodSpec
 </a>
 </em>
@@ -1005,7 +1005,7 @@ string
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
@@ -1108,7 +1108,7 @@ string
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
@@ -1370,7 +1370,7 @@ string
 <td>
 <code>PodSpec</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#podspec-v1-core">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#podspec-v1-core">
 Kubernetes core/v1.PodSpec
 </a>
 </em>
@@ -1569,7 +1569,7 @@ Based on: <a href="https://github.com/kubernetes/api/blob/e771f807/core/v1/types
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
@@ -1598,7 +1598,7 @@ RevisionSpec
 <td>
 <code>PodSpec</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#podspec-v1-core">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#podspec-v1-core">
 Kubernetes core/v1.PodSpec
 </a>
 </em>
@@ -2175,7 +2175,7 @@ string
 <td>
 <code>metadata</code><br/>
 <em>
-<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#objectmeta-v1-meta">
+<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#objectmeta-v1-meta">
 Kubernetes meta/v1.ObjectMeta
 </a>
 </em>
diff --git a/hack/reference-docs-gen-config.json b/hack/reference-docs-gen-config.json
index 1cf8db3503c6..3782dcc8131d 100644
--- a/hack/reference-docs-gen-config.json
+++ b/hack/reference-docs-gen-config.json
@@ -13,7 +13,7 @@
         },
         {
             "typeMatchPrefix": "^k8s\\.io/(api|apimachinery/pkg/apis)/",
-            "docsURLTemplate": "https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.21/#{{lower .TypeIdentifier}}-{{arrIndex .PackageSegments -1}}-{{arrIndex .PackageSegments -2}}"
+            "docsURLTemplate": "https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#{{lower .TypeIdentifier}}-{{arrIndex .PackageSegments -1}}-{{arrIndex .PackageSegments -2}}"
         },
         {
             "typeMatchPrefix": "^knative\\.dev/pkg/apis/duck",