diff --git a/.github/workflows/kind-e2e.yaml b/.github/workflows/kind-e2e.yaml
index 67f5202fe1..3b1e27d092 100644
--- a/.github/workflows/kind-e2e.yaml
+++ b/.github/workflows/kind-e2e.yaml
@@ -18,11 +18,10 @@ jobs:
       matrix:
         # Keep in sync with the list of supported releases: https://kubernetes.io/releases/
         k8s-version:
-        - v1.25.x
-        - v1.26.x
         - v1.27.x
-        # Needs https://github.com/sigstore/scaffolding/pull/756
-        # - v1.28.x
+        - v1.28.x
+        - v1.29.x
+        - v1.30.x
     uses: ./.github/workflows/reusable-e2e.yaml
     with:
       k8s-version: ${{ matrix.k8s-version }}
@@ -38,5 +37,5 @@ jobs:
         - v0.51.0
     uses: ./.github/workflows/reusable-e2e.yaml
     with:
-      k8s-version: v1.26.x
+      k8s-version: v1.27.x
       pipelines-release: ${{ matrix.pipelines-release }}
diff --git a/.github/workflows/reusable-e2e.yaml b/.github/workflows/reusable-e2e.yaml
index 59e3e8bbde..bf0da78ceb 100644
--- a/.github/workflows/reusable-e2e.yaml
+++ b/.github/workflows/reusable-e2e.yaml
@@ -27,7 +27,7 @@ jobs:
       GOFLAGS: -ldflags=-s -ldflags=-w
       KO_DOCKER_REPO: registry.local:5000/knative
       KOCACHE: ~/ko
-      SIGSTORE_SCAFFOLDING_RELEASE_VERSION: "v0.6.6"
+      SIGSTORE_SCAFFOLDING_RELEASE_VERSION: "v0.7.2"
       TEKTON_PIPELINES_RELEASE: "https://storage.googleapis.com/tekton-releases/pipeline/previous/${{ inputs.pipelines-release }}/release.yaml"
       # Note that we do not include the v prefix here so we can use it in all
       # the places this is used.