diff --git a/nixos/tests/networking.nix b/nixos/tests/networking.nix
index 05fed0f4b473..45cc688492b5 100644
--- a/nixos/tests/networking.nix
+++ b/nixos/tests/networking.nix
@@ -29,23 +29,49 @@ let
             ipv6.addresses = [ { address = "fd00:1234:5678:${toString n}::1"; prefixLength = 64; } ];
           })));
       };
-      services.dhcpd4 = {
-        enable = true;
-        interfaces = map (n: "eth${toString n}") vlanIfs;
-        extraConfig = flip concatMapStrings vlanIfs (n: ''
-          subnet 192.168.${toString n}.0 netmask 255.255.255.0 {
-            option routers 192.168.${toString n}.1;
-            range 192.168.${toString n}.3 192.168.${toString n}.254;
-          }
-        '')
-        ;
-        machines = flip map vlanIfs (vlan:
-          {
-            hostName = "client${toString vlan}";
-            ethernetAddress = qemu-common.qemuNicMac vlan 1;
-            ipAddress = "192.168.${toString vlan}.2";
-          }
-        );
+      services.kea = {
+        dhcp4 = {
+          enable = true;
+          settings = {
+            interfaces-config = {
+              interfaces = map (n: "eth${toString n}") vlanIfs;
+              dhcp-socket-type = "raw";
+              service-sockets-require-all = true;
+              service-sockets-max-retries = 5;
+              service-sockets-retry-wait-time = 2500;
+            };
+            subnet4 = map (n: {
+              id = n;
+              subnet = "192.168.${toString n}.0/24";
+              pools = [{ pool = "192.168.${toString n}.3 - 192.168.${toString n}.254"; }];
+              option-data = [{ name = "routers"; data = "192.168.${toString n}.1"; }];
+
+              reservations = [{
+                hw-address = qemu-common.qemuNicMac n 1;
+                hostname = "client${toString n}";
+                ip-address = "192.168.${toString n}.2";
+              }];
+            }) vlanIfs;
+          };
+        };
+        dhcp6 = {
+          enable = true;
+          settings = {
+            interfaces-config = {
+              interfaces = map (n: "eth${toString n}") vlanIfs;
+              service-sockets-require-all = true;
+              service-sockets-max-retries = 5;
+              service-sockets-retry-wait-time = 2500;
+            };
+
+            subnet6 = map (n: {
+              id = n;
+              subnet = "fd00:1234:5678:${toString n}::/64";
+              interface = "eth${toString n}";
+              pools = [{ pool = "fd00:1234:5678:${toString n}::2-fd00:1234:5678:${toString n}::2"; }];
+            }) vlanIfs;
+          };
+        };
       };
       services.radvd = {
         enable = true;
@@ -61,17 +87,6 @@ let
           };
         '');
       };
-      services.dhcpd6 = {
-        enable = true;
-        interfaces = map (n: "eth${toString n}") vlanIfs;
-        extraConfig = ''
-          authoritative;
-        '' + flip concatMapStrings vlanIfs (n: ''
-          subnet6 fd00:1234:5678:${toString n}::/64 {
-            range6 fd00:1234:5678:${toString n}::2 fd00:1234:5678:${toString n}::2;
-          }
-        '');
-      };
     };
 
   testCases = {
@@ -117,8 +132,9 @@ let
           client.wait_for_unit("network.target")
           router.wait_for_unit("network-online.target")
 
-          with subtest("Make sure dhcpcd is not started"):
-              client.fail("systemctl status dhcpcd.service")
+          with subtest("Make sure DHCP server is not started"):
+              client.fail("systemctl status kea-dhcp4-server.service")
+              client.fail("systemctl status kea-dhcp6-server.service")
 
           with subtest("Test vlan 1"):
               client.wait_until_succeeds("ping -c 1 192.168.1.1")