diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f178585..8d1717d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     name: Integration Tests
     strategy:
       matrix:
-        k8s_version: [v1.25, v1.26, v1.27]
+        k8s_version: [v1.26, v1.27, v1.28]
     permissions:
       contents: read
     uses: kadras-io/github-reusable-workflows/.github/workflows/carvel-package-test-integration.yml@main
diff --git a/Makefile b/Makefile
index e5b70cc..1c426c2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-K8S_VERSION=v1.27
+K8S_VERSION=v1.28
 
 # Build package configuration
 build: package
diff --git a/README.md b/README.md
index 5ede06e..aa0b6d4 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ A Carvel package for [Contour](https://projectcontour.io), a high performance in
 
 ### Prerequisites
 
-* Kubernetes 1.25+
+* Kubernetes 1.26+
 * Carvel [`kctrl`](https://carvel.dev/kapp-controller/docs/latest/install/#installing-kapp-controller-cli-kctrl) CLI.
 * Carvel [kapp-controller](https://carvel.dev/kapp-controller) deployed in your Kubernetes cluster. You can install it with Carvel [`kapp`](https://carvel.dev/kapp/docs/latest/install) (recommended choice) or `kubectl`.
 
diff --git a/test/setup/kind/v1.25/kind-config.yml b/test/setup/kind/v1.28/kind-config.yml
similarity index 80%
rename from test/setup/kind/v1.25/kind-config.yml
rename to test/setup/kind/v1.28/kind-config.yml
index c987572..35fff4a 100644
--- a/test/setup/kind/v1.25/kind-config.yml
+++ b/test/setup/kind/v1.28/kind-config.yml
@@ -3,9 +3,9 @@ kind: Cluster
 apiVersion: kind.x-k8s.io/v1alpha4
 nodes:
 - role: control-plane
-  image: kindest/node:v1.25.11
+  image: kindest/node:v1.28.0
 - role: worker
-  image: kindest/node:v1.25.11
+  image: kindest/node:v1.28.0
   extraPortMappings:
   - containerPort: 80
     hostPort: 80