diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index 22fe4b7b..1472189e 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -40,8 +40,8 @@ jobs:
           config: .github/kind/config.yaml # disable KIND-net
           # The versions below should target the oldest supported Kubernetes version
           # Keep this up-to-date with https://endoflife.date/kubernetes
-          node_image: ghcr.io/fluxcd/kindest/node:v1.29.7-amd64
-          kubectl_version: v1.29.7
+          node_image: ghcr.io/fluxcd/kindest/node:v1.30.9-amd64
+          kubectl_version: v1.30.9
       - name: Setup Calico for network policy
         run: |
           kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.27.3/manifests/calico.yaml
diff --git a/cmd/flux/check.go b/cmd/flux/check.go
index b7108941..0ac0859b 100644
--- a/cmd/flux/check.go
+++ b/cmd/flux/check.go
@@ -60,7 +60,7 @@ type checkFlags struct {
 }
 
 var kubernetesConstraints = []string{
-	">=1.28.0-0",
+	">=1.30.0-0",
 }
 
 var checkArgs checkFlags
diff --git a/cmd/flux/testdata/check/check_pre.golden b/cmd/flux/testdata/check/check_pre.golden
index 312f6861..cb83e9dc 100644
--- a/cmd/flux/testdata/check/check_pre.golden
+++ b/cmd/flux/testdata/check/check_pre.golden
@@ -1,3 +1,3 @@
 ► checking prerequisites
-✔ Kubernetes {{ .serverVersion }} >=1.28.0-0
+✔ Kubernetes {{ .serverVersion }} >=1.30.0-0
 ✔ prerequisites checks passed