diff --git a/tests/e2e/dualstack/Vagrantfile b/tests/e2e/dualstack/Vagrantfile
index 558ca8939947..2b31bfb0e949 100644
--- a/tests/e2e/dualstack/Vagrantfile
+++ b/tests/e2e/dualstack/Vagrantfile
@@ -46,8 +46,8 @@ def provision(vm, role, role_num, node_num)
         node-ip: #{node_ip4},#{node_ip6}
         cluster-init: true
         token: vagrant
-        cluster-cidr: 10.42.0.0/16,2001:cafe:42:0::/56
-        service-cidr: 10.43.0.0/16,2001:cafe:42:1::/112
+        cluster-cidr: 10.42.0.0/16,2001:cafe:42::/56
+        service-cidr: 10.43.0.0/16,2001:cafe:43::/112
         bind-address: #{NETWORK4_PREFIX}.100
         flannel-iface: eth1
       YAML
@@ -62,8 +62,8 @@ def provision(vm, role, role_num, node_num)
         node-ip: #{node_ip4},#{node_ip6}
         server: https://#{NETWORK4_PREFIX}.100:6443
         token: vagrant
-        cluster-cidr: 10.42.0.0/16,2001:cafe:42:0::/56
-        service-cidr: 10.43.0.0/16,2001:cafe:42:1::/112
+        cluster-cidr: 10.42.0.0/16,2001:cafe:42::/56
+        service-cidr: 10.43.0.0/16,2001:cafe:43::/112
         flannel-iface: eth1
       YAML
       k3s.env = ["K3S_KUBECONFIG_MODE=0644", install_type]
diff --git a/tests/integration/dualstack/dualstack_int_test.go b/tests/integration/dualstack/dualstack_int_test.go
index c0b2c18f4124..4d54edc0e6f4 100644
--- a/tests/integration/dualstack/dualstack_int_test.go
+++ b/tests/integration/dualstack/dualstack_int_test.go
@@ -13,8 +13,8 @@ import (
 var dualStackServer *testutil.K3sServer
 var dualStackServerArgs = []string{
 	"--cluster-init",
-	"--cluster-cidr", "10.42.0.0/16,2001:cafe:42:0::/56",
-	"--service-cidr", "10.43.0.0/16,2001:cafe:42:1::/112",
+	"--cluster-cidr", "10.42.0.0/16,2001:cafe:42::/56",
+	"--service-cidr", "10.43.0.0/16,2001:cafe:43::/112",
 	"--disable-network-policy",
 }
 var testLock int