diff --git a/charrua-client.opam b/charrua-client.opam
index cd94f82..4974a23 100644
--- a/charrua-client.opam
+++ b/charrua-client.opam
@@ -27,12 +27,13 @@ depends: [
   "mirage-clock" {>= "3.0.0"}
   "mirage-time" {>= "2.0.0"}
   "mirage-net" {>= "3.0.0"}
-  "mirage-protocols" {>= "4.0.0"}
   "duration"
   "logs"
   "fmt"
+  "ethernet" {>= "3.0.0"}
+  "arp" {>= "3.0.0"}
+  "tcpip" {>= "7.0.0"}
   "lwt" {>= "4.0.0"}
-  "tcpip" {>= "6.1.0" & with-test}
 ]
 build: [
   ["dune" "subst"] {dev}
diff --git a/charrua-server.opam b/charrua-server.opam
index d9de9be..fea3091 100644
--- a/charrua-server.opam
+++ b/charrua-server.opam
@@ -40,7 +40,7 @@ depends: [
   "macaddr-sexp"
   "cstruct-unix" {with-test}
   "ppx_cstruct" {>= "6.0.0" & with-test}
-  "tcpip" {>= "6.1.0" & with-test}
+  "tcpip" {>= "7.0.0" & with-test}
   "alcotest" {with-test & >= "1.4.0"}
 ]
 build: [
diff --git a/charrua-unix.opam b/charrua-unix.opam
index 7523fb4..18528dd 100644
--- a/charrua-unix.opam
+++ b/charrua-unix.opam
@@ -22,7 +22,7 @@ depends: [
   "mtime" {>= "1.0.0"}
   "cstruct-lwt" {>= "6.0.0"}
   "ipaddr" {>= "5.1.0"}
-  "tcpip" {>= "6.1.0"}
+  "tcpip" {>= "7.0.0"}
 ]
 build: [
   ["dune" "subst"] {dev}
diff --git a/charrua.opam b/charrua.opam
index 0540680..912dee1 100644
--- a/charrua.opam
+++ b/charrua.opam
@@ -23,8 +23,8 @@ depends: [
   "macaddr"       {>= "4.0.0"}
   "ipaddr-sexp"
   "macaddr-sexp"
-  "ethernet"      {>= "2.2.0"}
-  "tcpip"         {>= "5.0.0"}
+  "ethernet"      {>= "3.0.0"}
+  "tcpip"         {>= "7.0.0"}
 ]
 conflicts: [ "result" {< "1.5"} ]
 synopsis: "DHCP wire frame encoder and decoder"
diff --git a/client/lwt/dhcp_client_lwt.ml b/client/lwt/dhcp_client_lwt.ml
index 9c895fe..0c62b9c 100644
--- a/client/lwt/dhcp_client_lwt.ml
+++ b/client/lwt/dhcp_client_lwt.ml
@@ -14,7 +14,7 @@ module Make(Random : Mirage_random.S)(Time : Mirage_time.S) (Net : Mirage_net.S)
     (* listener needs to occasionally check to see whether the state has advanced,
      * and if not, start a new attempt at a lease transaction *)
     let sleep_interval = Duration.of_sec 4 in
-    let header_size = Ethernet_wire.sizeof_ethernet in
+    let header_size = Ethernet.Packet.sizeof_ethernet in
     let size = Net.mtu net + header_size in
 
     let xid = match xid with
diff --git a/client/mirage/dhcp_ipv4.ml b/client/mirage/dhcp_ipv4.ml
index bc9d0e8..250be8b 100644
--- a/client/mirage/dhcp_ipv4.ml
+++ b/client/mirage/dhcp_ipv4.ml
@@ -1,6 +1,6 @@
 open Lwt.Infix
 
-module Make(R : Mirage_random.S) (C : Mirage_clock.MCLOCK) (Time : Mirage_time.S) (Network : Mirage_net.S) (E : Mirage_protocols.ETHERNET) (Arp : Mirage_protocols.ARP) = struct
+module Make(R : Mirage_random.S) (C : Mirage_clock.MCLOCK) (Time : Mirage_time.S) (Network : Mirage_net.S) (E : Ethernet.S) (Arp : Arp.S) = struct
   (* for now, just wrap a static ipv4 *)
   module DHCP = Dhcp_client_mirage.Make(R)(Time)(Network)
   include Static_ipv4.Make(R)(C)(E)(Arp)
diff --git a/client/mirage/dhcp_ipv4.mli b/client/mirage/dhcp_ipv4.mli
index e6de4ca..05d8867 100644
--- a/client/mirage/dhcp_ipv4.mli
+++ b/client/mirage/dhcp_ipv4.mli
@@ -14,8 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *)
 
-module Make(R : Mirage_random.S) (C : Mirage_clock.MCLOCK) (Time : Mirage_time.S) (Network : Mirage_net.S) (E : Mirage_protocols.ETHERNET) (Arp : Mirage_protocols.ARP) : sig
-  include Mirage_protocols.IPV4
+module Make(R : Mirage_random.S) (C : Mirage_clock.MCLOCK) (Time : Mirage_time.S) (Network : Mirage_net.S) (E : Ethernet.S) (Arp : Arp.S) : sig
+  include Tcpip.Ip.S with type ipaddr = Ipaddr.V4.t
   val connect : Network.t -> E.t -> Arp.t -> t Lwt.t
     (** Connect to an ipv4 device using information from a DHCP lease. *)
 end
diff --git a/client/mirage/dune b/client/mirage/dune
index e7e114c..daf0fb7 100644
--- a/client/mirage/dune
+++ b/client/mirage/dune
@@ -2,5 +2,5 @@
  (name dhcp_client_mirage)
  (public_name charrua-client.mirage)
  (libraries charrua-client.lwt ipaddr mirage-clock mirage-random mirage-time
-   mirage-net mirage-protocols logs)
+   mirage-net logs ethernet arp.mirage tcpip)
  (wrapped false))
diff --git a/lib/dhcp_wire.ml b/lib/dhcp_wire.ml
index 58fc545..502a089 100644
--- a/lib/dhcp_wire.ml
+++ b/lib/dhcp_wire.ml
@@ -1082,15 +1082,15 @@ let buf_of_options sbuf options =
 let pkt_of_buf buf len =
   let open Printf in
   let wrap () =
-    let min_len = sizeof_dhcp + Ethernet_wire.sizeof_ethernet +
+    let min_len = sizeof_dhcp + Ethernet.Packet.sizeof_ethernet +
                   Ipv4_wire.sizeof_ipv4 + Udp_wire.sizeof_udp
     in
     let* () =
       guard (len >= min_len) (sprintf "packet is too small: %d < %d" len min_len)
     in
     (* Handle ethernet *)
-    let* eth_header, eth_payload = Ethernet_packet.Unmarshal.of_cstruct buf in
-    match eth_header.Ethernet_packet.ethertype with
+    let* eth_header, eth_payload = Ethernet.Packet.of_cstruct buf in
+    match eth_header.Ethernet.Packet.ethertype with
     | `ARP | `IPv6 -> Error "packet is not ipv4"
     | `IPv4 ->
       let* ipv4_header, ipv4_payload =
@@ -1135,8 +1135,8 @@ let pkt_of_buf buf len =
         let sname = cstruct_copy_normalized copy_dhcp_sname udp_payload in
         let file = cstruct_copy_normalized copy_dhcp_file udp_payload in
         let options = options_of_buf udp_payload len in
-        Ok { srcmac = eth_header.Ethernet_packet.source;
-                    dstmac = eth_header.Ethernet_packet.destination;
+        Ok { srcmac = eth_header.Ethernet.Packet.source;
+                    dstmac = eth_header.Ethernet.Packet.destination;
                     srcip = ipv4_header.Ipv4_packet.src;
                     dstip = ipv4_header.Ipv4_packet.dst;
                     srcport = udp_header.Udp_packet.src_port;
@@ -1147,7 +1147,7 @@ let pkt_of_buf buf len =
   try wrap () with | Invalid_argument e -> Error e
 
 let pkt_into_buf pkt buf =
-  let eth, rest = Cstruct.split buf Ethernet_wire.sizeof_ethernet in
+  let eth, rest = Cstruct.split buf Ethernet.Packet.sizeof_ethernet in
   let ip, rest' = Cstruct.split rest Ipv4_wire.sizeof_ipv4 in
   let udp, dhcp = Cstruct.split rest' Udp_wire.sizeof_udp in
   set_dhcp_op dhcp (op_to_int pkt.op);
@@ -1185,7 +1185,7 @@ let pkt_into_buf pkt buf =
   in
   let dhcp = Cstruct.sub dhcp 0 (Cstruct.length dhcp - Cstruct.length buf_end) in
   (* Ethernet *)
-  (match Ethernet_packet.(Marshal.into_cstruct
+  (match Ethernet.Packet.(into_cstruct
                             { source = pkt.srcmac;
                               destination = pkt.dstmac;
                               ethertype = `IPv4; } eth)
@@ -1214,7 +1214,7 @@ let pkt_into_buf pkt buf =
    with
    | Ok () -> ()
    | Error e -> invalid_arg e) ;
-  Ethernet_wire.sizeof_ethernet + Ipv4_wire.sizeof_ipv4 +
+  Ethernet.Packet.sizeof_ethernet + Ipv4_wire.sizeof_ipv4 +
   Udp_wire.sizeof_udp + Cstruct.length dhcp
 
 let buf_of_pkt pkg =
@@ -1225,8 +1225,8 @@ let buf_of_pkt pkg =
 
 let is_dhcp buf _len =
   let aux buf =
-    let* eth_header, eth_payload = Ethernet_packet.Unmarshal.of_cstruct buf in
-    match eth_header.Ethernet_packet.ethertype with
+    let* eth_header, eth_payload = Ethernet.Packet.of_cstruct buf in
+    match eth_header.Ethernet.Packet.ethertype with
     | `ARP | `IPv6 -> Ok false
     | `IPv4 ->
       let* ipv4_header, ipv4_payload =
diff --git a/test/client/dune b/test/client/dune
index 08d1fd8..ab24a6d 100644
--- a/test/client/dune
+++ b/test/client/dune
@@ -1,5 +1,5 @@
 (test
  (name test_client)
  (package charrua-client)
- (libraries cstruct-unix alcotest charrua-client charrua-server tcpip.unix
+ (libraries cstruct-unix alcotest charrua-client charrua-server
             mirage-random-test))
diff --git a/test/client/lwt/dune b/test/client/lwt/dune
index d912610..1e6fa1e 100644
--- a/test/client/lwt/dune
+++ b/test/client/lwt/dune
@@ -1,5 +1,4 @@
 (test
  (name test_client_lwt)
  (package charrua-client)
- (libraries cstruct-unix alcotest charrua-client.lwt lwt.unix mirage-random
-            tcpip.unix))
+ (libraries cstruct-unix alcotest charrua-client.lwt lwt.unix mirage-random))
diff --git a/test/dune b/test/dune
index 3953096..4bd664b 100644
--- a/test/dune
+++ b/test/dune
@@ -2,7 +2,7 @@
  (name test)
  (package charrua-server)
  (preprocess (pps ppx_cstruct))
- (libraries cstruct-unix alcotest charrua charrua-server tcpip.unix))
+ (libraries cstruct-unix alcotest charrua charrua-server))
 
 (alias
  (name runtest)
diff --git a/unix/dune b/unix/dune
index d6ca1a6..ba76ca2 100644
--- a/unix/dune
+++ b/unix/dune
@@ -3,4 +3,4 @@
  (public_name charruad)
  (package charrua-unix)
  (libraries charrua charrua-server lwt.unix cstruct-lwt cstruct-unix cmdliner
-   ipaddr tuntap rawlink.lwt mtime.clock.os tcpip.unix lwt_log))
+   ipaddr tuntap rawlink.lwt mtime.clock.os lwt_log))