diff --git a/go.mod b/go.mod
index 4458fd3148..f808be60fb 100644
--- a/go.mod
+++ b/go.mod
@@ -46,7 +46,7 @@ require (
 	k8s.io/gengo/v2 v2.0.0-20250604051438-85fd79dbfd9f
 	k8s.io/klog/v2 v2.130.1
 	k8s.io/utils v0.0.0-20250604170112-4c0f3b243397
-	knative.dev/hack v0.0.0-20251021013703-4fae78067103
+	knative.dev/hack v0.0.0-20260120115810-bf6758cba446
 	sigs.k8s.io/randfill v1.0.0
 	sigs.k8s.io/yaml v1.6.0
 )
diff --git a/go.sum b/go.sum
index fdfc5c9bf8..23613ade2b 100644
--- a/go.sum
+++ b/go.sum
@@ -277,8 +277,8 @@ k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b h1:MloQ9/bdJyIu9lb1PzujOP
 k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b/go.mod h1:UZ2yyWbFTpuhSbFhv24aGNOdoRdJZgsIObGBUaYVsts=
 k8s.io/utils v0.0.0-20250604170112-4c0f3b243397 h1:hwvWFiBzdWw1FhfY1FooPn3kzWuJ8tmbZBHi4zVsl1Y=
 k8s.io/utils v0.0.0-20250604170112-4c0f3b243397/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
-knative.dev/hack v0.0.0-20251021013703-4fae78067103 h1:j96YY5CLCTytWZsGVzixVvNasRbrni2NuXI54R+IPvA=
-knative.dev/hack v0.0.0-20251021013703-4fae78067103/go.mod h1:L5RzHgbvam0u8QFHfzCX6MKxu/a/gIGEdaRBqNiVbl0=
+knative.dev/hack v0.0.0-20260120115810-bf6758cba446 h1:Y8raYHIuAL9/gUKGYD9/dD+EqUTmrpqVDowzfUVSlGs=
+knative.dev/hack v0.0.0-20260120115810-bf6758cba446/go.mod h1:L5RzHgbvam0u8QFHfzCX6MKxu/a/gIGEdaRBqNiVbl0=
 pgregory.net/rapid v1.1.0 h1:CMa0sjHSru3puNx+J0MIAuiiEV4N0qj8/cMWGBBCsjw=
 pgregory.net/rapid v1.1.0/go.mod h1:PY5XlDGj0+V1FCq0o192FdRhpKHGTRIWBgqjDBTrq04=
 sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 h1:gBQPwqORJ8d8/YNZWEjoZs7npUVDpVXUUOFfW6CgAqE=
diff --git a/vendor/knative.dev/hack/infra-library.sh b/vendor/knative.dev/hack/infra-library.sh
index 8968839762..5ec188b58f 100644
--- a/vendor/knative.dev/hack/infra-library.sh
+++ b/vendor/knative.dev/hack/infra-library.sh
@@ -21,7 +21,7 @@ source "$(dirname "${BASH_SOURCE[0]:-$0}")/library.sh"
 
 # Default Kubernetes version to use for GKE, if not overridden with
 # the `--cluster-version` parameter.
-readonly GKE_DEFAULT_CLUSTER_VERSION="1.32"
+readonly GKE_DEFAULT_CLUSTER_VERSION="1.33"
 
 # Dumps the k8s api server metrics. Spins up a proxy, waits a little bit and
 # dumps the metrics to ${ARTIFACTS}/k8s.metrics.txt
diff --git a/vendor/modules.txt b/vendor/modules.txt
index a45a51130e..79d884a88e 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1071,7 +1071,7 @@ k8s.io/utils/lru
 k8s.io/utils/net
 k8s.io/utils/ptr
 k8s.io/utils/trace
-# knative.dev/hack v0.0.0-20251021013703-4fae78067103
+# knative.dev/hack v0.0.0-20260120115810-bf6758cba446
 ## explicit; go 1.24
 knative.dev/hack
 # sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8