diff --git a/Cargo.lock b/Cargo.lock
index a695848ac..26cd283f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -509,9 +509,9 @@ checksum = "7762d17f1241643615821a8455a0b2c3e803784b058693d990b11f2dce25a0ca"
 
 [[package]]
 name = "defmt"
-version = "0.3.5"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8a2d011b2fee29fb7d659b83c43fce9a2cb4df453e16d441a51448e448f3f98"
+checksum = "a99dd22262668b887121d4672af5a64b238f026099f1a2a1b322066c9ecfe9e0"
 dependencies = [
  "bitflags 1.3.2",
  "defmt-macros",
@@ -1425,7 +1425,7 @@ checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 [[package]]
 name = "smoltcp"
 version = "0.11.0"
-source = "git+https://github.com/asterinas/smoltcp?rev=37716bf#37716bff5ed5b16aba1b8a37e788ee5a6bf32cab"
+source = "git+https://github.com/lrh2000/smoltcp?tag=r_2024-11-08_3e68ef4#85dfcb0518f764aff1bd3bf62d14396d3c621c03"
 dependencies = [
  "bitflags 1.3.2",
  "byteorder",
diff --git a/kernel/libs/aster-bigtcp/Cargo.toml b/kernel/libs/aster-bigtcp/Cargo.toml
index 2f40952bc..0a102ffab 100644
--- a/kernel/libs/aster-bigtcp/Cargo.toml
+++ b/kernel/libs/aster-bigtcp/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 [dependencies]
 keyable-arc = { path = "../keyable-arc" }
 ostd = { path = "../../../ostd" }
-smoltcp = { git = "https://github.com/asterinas/smoltcp", rev = "37716bf", default-features = false, features = [
+smoltcp = { git = "https://github.com/asterinas/smoltcp", tag = "r_2024-11-08_f07e5b5", default-features = false, features = [
     "alloc",
     "log",
     "medium-ethernet",
diff --git a/kernel/libs/aster-bigtcp/src/iface/phy/ether.rs b/kernel/libs/aster-bigtcp/src/iface/phy/ether.rs
index 547ec50ee..79a4a9882 100644
--- a/kernel/libs/aster-bigtcp/src/iface/phy/ether.rs
+++ b/kernel/libs/aster-bigtcp/src/iface/phy/ether.rs
@@ -8,7 +8,7 @@ use smoltcp::{
     phy::{DeviceCapabilities, TxToken},
     wire::{
         self, ArpOperation, ArpPacket, ArpRepr, EthernetAddress, EthernetFrame, EthernetProtocol,
-        EthernetRepr, IpAddress, Ipv4Address, Ipv4Cidr, Ipv4Packet,
+        EthernetRepr, IpAddress, Ipv4Address, Ipv4AddressExt, Ipv4Cidr, Ipv4Packet,
     },
 };
 
@@ -157,7 +157,7 @@ impl<D, E> EtherIface<D, E> {
                 ..
             } => {
                 // Ignore the ARP packet if the source addresses are not unicast.
-                if !source_hardware_addr.is_unicast() || !source_protocol_addr.is_unicast() {
+                if !source_hardware_addr.is_unicast() || !source_protocol_addr.x_is_unicast() {
                     return None;
                 }
 
diff --git a/kernel/src/net/socket/ip/addr.rs b/kernel/src/net/socket/ip/addr.rs
index 169a6712d..7e1044059 100644
--- a/kernel/src/net/socket/ip/addr.rs
+++ b/kernel/src/net/socket/ip/addr.rs
@@ -9,7 +9,7 @@ impl TryFrom<SocketAddr> for IpEndpoint {
 
     fn try_from(value: SocketAddr) -> Result<Self> {
         match value {
-            SocketAddr::IPv4(addr, port) => Ok(IpEndpoint::new(addr.into_address(), port)),
+            SocketAddr::IPv4(addr, port) => Ok(IpEndpoint::new(addr.into(), port)),
             _ => return_errno_with_message!(
                 Errno::EAFNOSUPPORT,
                 "the address is in an unsupported address family"
diff --git a/kernel/src/util/net/addr/ip.rs b/kernel/src/util/net/addr/ip.rs
index 873cef184..c2f9bb908 100644
--- a/kernel/src/util/net/addr/ip.rs
+++ b/kernel/src/util/net/addr/ip.rs
@@ -51,13 +51,15 @@ struct CInetAddr {
 
 impl From<Ipv4Address> for CInetAddr {
     fn from(value: Ipv4Address) -> Self {
-        Self { s_addr: value.0 }
+        Self {
+            s_addr: value.octets(),
+        }
     }
 }
 
 impl From<CInetAddr> for Ipv4Address {
     fn from(value: CInetAddr) -> Self {
-        Self(value.s_addr)
+        Self::from(value.s_addr)
     }
 }