diff --git a/Cargo.toml b/Cargo.toml
index 2a33e877..0c2e5def 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -73,7 +73,7 @@ tonic = { version = "0.11", features = ["tls"] }
 tonic-build = "0.11"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter", "json"] }
-yang2 = { version = "0.13", features = ["bundled"] }
+yang3 = { version = "0.1", features = ["bundled"] }
 
 [workspace.lints.rust]
 rust_2018_idioms = { level = "warn", priority = -1 }
diff --git a/INSTALL.md b/INSTALL.md
index 52cb51e3..cbf452ea 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -17,7 +17,7 @@ $ git clone https://github.com/holo-routing/holo-cli.git
 
 3. Install build dependencies:
 
-Holo requires a few dependencies for building and embedding the libyang2 library.
+Holo requires a few dependencies for building and embedding the libyang library.
 You can install them using your system's package manager. For example, on Debian-based systems:
 
 ```
diff --git a/holo-bfd/Cargo.toml b/holo-bfd/Cargo.toml
index ab69ffe9..20318258 100644
--- a/holo-bfd/Cargo.toml
+++ b/holo-bfd/Cargo.toml
@@ -25,7 +25,7 @@ serde_json.workspace = true
 socket2.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-protocol = { path = "../holo-protocol" }
diff --git a/holo-bgp/Cargo.toml b/holo-bgp/Cargo.toml
index 3ed58b4e..8532bff3 100644
--- a/holo-bgp/Cargo.toml
+++ b/holo-bgp/Cargo.toml
@@ -26,7 +26,7 @@ serde_json.workspace = true
 serde_with.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-protocol = { path = "../holo-protocol" }
diff --git a/holo-bgp/src/northbound/rpc.rs b/holo-bgp/src/northbound/rpc.rs
index d92ca4ff..f05988fc 100644
--- a/holo-bgp/src/northbound/rpc.rs
+++ b/holo-bgp/src/northbound/rpc.rs
@@ -9,7 +9,7 @@ use std::sync::LazyLock as Lazy;
 use holo_northbound::rpc::{Callbacks, CallbacksBuilder, Provider};
 use holo_northbound::yang::control_plane_protocol::bgp;
 use holo_utils::yang::DataNodeRefExt;
-use yang2::data::Data;
+use yang3::data::Data;
 
 use crate::instance::Instance;
 
diff --git a/holo-daemon/Cargo.toml b/holo-daemon/Cargo.toml
index 43a42c3d..b49adc4b 100644
--- a/holo-daemon/Cargo.toml
+++ b/holo-daemon/Cargo.toml
@@ -28,7 +28,7 @@ tokio.workspace = true
 tonic.workspace = true
 tracing.workspace = true
 tracing-subscriber.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-interface = { path = "../holo-interface", optional = true  }
 holo-bfd = { path = "../holo-bfd", optional = true }
diff --git a/holo-daemon/src/northbound/client/api.rs b/holo-daemon/src/northbound/client/api.rs
index f0a41bfc..99453ef5 100644
--- a/holo-daemon/src/northbound/client/api.rs
+++ b/holo-daemon/src/northbound/client/api.rs
@@ -5,7 +5,7 @@
 //
 
 use holo_utils::Responder;
-use yang2::data::{DataDiff, DataTree};
+use yang3::data::{DataDiff, DataTree};
 
 use crate::northbound::core::Transaction;
 use crate::northbound::Result;
diff --git a/holo-daemon/src/northbound/client/gnmi.rs b/holo-daemon/src/northbound/client/gnmi.rs
index e4689fe1..f2f31cb5 100644
--- a/holo-daemon/src/northbound/client/gnmi.rs
+++ b/holo-daemon/src/northbound/client/gnmi.rs
@@ -14,8 +14,8 @@ use tokio_stream::wrappers::ReceiverStream;
 use tonic::transport::{Server, ServerTlsConfig};
 use tonic::{Request, Response, Status, Streaming};
 use tracing::{debug, debug_span, error, trace};
-use yang2::data::{Data, DataFormat, DataPrinterFlags, DataTree};
-use yang2::schema::SchemaNodeKind;
+use yang3::data::{Data, DataFormat, DataPrinterFlags, DataTree};
+use yang3::schema::SchemaNodeKind;
 
 use crate::config;
 use crate::northbound::client::api;
diff --git a/holo-daemon/src/northbound/client/grpc.rs b/holo-daemon/src/northbound/client/grpc.rs
index d67b6fee..8fc118e2 100644
--- a/holo-daemon/src/northbound/client/grpc.rs
+++ b/holo-daemon/src/northbound/client/grpc.rs
@@ -14,7 +14,7 @@ use tokio::sync::oneshot;
 use tonic::transport::{Server, ServerTlsConfig};
 use tonic::{Request, Response, Status};
 use tracing::{debug, debug_span, error, trace};
-use yang2::data::{
+use yang3::data::{
     Data, DataDiff, DataFormat, DataOperation, DataParserFlags,
     DataPrinterFlags, DataTree, DataValidationFlags,
 };
diff --git a/holo-daemon/src/northbound/core.rs b/holo-daemon/src/northbound/core.rs
index 23c8546c..228b3ae1 100644
--- a/holo-daemon/src/northbound/core.rs
+++ b/holo-daemon/src/northbound/core.rs
@@ -24,7 +24,7 @@ use pickledb::PickleDb;
 use serde::{Deserialize, Serialize};
 use tokio::sync::{broadcast, mpsc, oneshot};
 use tracing::{debug, error, info, instrument, trace, warn};
-use yang2::data::{
+use yang3::data::{
     Data, DataDiffFlags, DataFormat, DataPrinterFlags, DataTree,
     DataValidationFlags,
 };
diff --git a/holo-daemon/src/northbound/error.rs b/holo-daemon/src/northbound/error.rs
index b0d5cefd..8d85db40 100644
--- a/holo-daemon/src/northbound/error.rs
+++ b/holo-daemon/src/northbound/error.rs
@@ -16,9 +16,9 @@ pub type Result<T> = std::result::Result<T, Error>;
 //
 #[derive(Debug)]
 pub enum Error {
-    YangInvalidPath(yang2::Error),
-    YangInvalidData(yang2::Error),
-    YangInternal(yang2::Error),
+    YangInvalidPath(yang3::Error),
+    YangInvalidData(yang3::Error),
+    YangInternal(yang3::Error),
     TransactionValidation(northbound::error::Error),
     TransactionPreparation(northbound::error::Error),
     TransactionIdNotFound(u32),
diff --git a/holo-interface/Cargo.toml b/holo-interface/Cargo.toml
index 46509c10..a5bddb87 100644
--- a/holo-interface/Cargo.toml
+++ b/holo-interface/Cargo.toml
@@ -20,7 +20,7 @@ netlink-sys.workspace = true
 rtnetlink.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-utils = { path = "../holo-utils" }
diff --git a/holo-keychain/Cargo.toml b/holo-keychain/Cargo.toml
index a89a8e53..770dad1c 100644
--- a/holo-keychain/Cargo.toml
+++ b/holo-keychain/Cargo.toml
@@ -12,7 +12,7 @@ derive-new.workspace = true
 enum-as-inner.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-utils = { path = "../holo-utils" }
diff --git a/holo-ldp/Cargo.toml b/holo-ldp/Cargo.toml
index 989f91e4..d8e032c2 100644
--- a/holo-ldp/Cargo.toml
+++ b/holo-ldp/Cargo.toml
@@ -24,7 +24,7 @@ serde_with.workspace = true
 socket2.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-protocol = { path = "../holo-protocol" }
diff --git a/holo-ldp/src/northbound/rpc.rs b/holo-ldp/src/northbound/rpc.rs
index 2076ffea..25326ebd 100644
--- a/holo-ldp/src/northbound/rpc.rs
+++ b/holo-ldp/src/northbound/rpc.rs
@@ -10,7 +10,7 @@ use std::sync::LazyLock as Lazy;
 use holo_northbound::rpc::{Callbacks, CallbacksBuilder, Provider};
 use holo_northbound::yang;
 use holo_utils::yang::DataNodeRefExt;
-use yang2::data::Data;
+use yang3::data::Data;
 
 use crate::discovery;
 use crate::instance::{Instance, InstanceUpView};
diff --git a/holo-northbound/Cargo.toml b/holo-northbound/Cargo.toml
index 2cec32d9..18760f31 100644
--- a/holo-northbound/Cargo.toml
+++ b/holo-northbound/Cargo.toml
@@ -17,7 +17,7 @@ serde.workspace = true
 serde_json.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-utils = { path = "../holo-utils" }
 holo-yang = { path = "../holo-yang" }
@@ -28,7 +28,7 @@ holo-utils = { path = "../holo-utils" }
 [build-dependencies]
 check_keyword.workspace = true
 convert_case.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 holo-yang = { path = "../holo-yang" }
 
 [lints]
diff --git a/holo-northbound/build.rs b/holo-northbound/build.rs
index 0a99d620..d349b8d5 100644
--- a/holo-northbound/build.rs
+++ b/holo-northbound/build.rs
@@ -14,7 +14,7 @@ use check_keyword::CheckKeyword;
 use convert_case::{Boundary, Case, Casing};
 use holo_yang as yang;
 use holo_yang::YANG_IMPLEMENTED_MODULES;
-use yang2::schema::{
+use yang3::schema::{
     DataValue, DataValueType, SchemaLeafType, SchemaNode, SchemaNodeKind,
     SchemaPathFormat,
 };
@@ -28,8 +28,8 @@ use chrono::{DateTime, Utc};
 use holo_yang::{YangObject, YangPath, YANG_CTX};
 use ipnetwork::{IpNetwork, Ipv4Network, Ipv6Network};
 use itertools::Itertools;
-use yang2::data::DataNodeRef;
-use yang2::schema::SchemaModule;
+use yang3::data::DataNodeRef;
+use yang3::schema::SchemaModule;
 
 fn binary_to_yang(value: &[u8]) -> String {
     use base64::Engine;
diff --git a/holo-northbound/src/api.rs b/holo-northbound/src/api.rs
index 625d717f..d02c7903 100644
--- a/holo-northbound/src/api.rs
+++ b/holo-northbound/src/api.rs
@@ -9,7 +9,7 @@ use std::sync::Arc;
 
 use holo_utils::Responder;
 use serde::{Deserialize, Serialize};
-use yang2::data::DataTree;
+use yang3::data::DataTree;
 
 use crate::configuration::{CommitPhase, ConfigChanges};
 use crate::error::Error;
diff --git a/holo-northbound/src/configuration.rs b/holo-northbound/src/configuration.rs
index c4736860..4bddd0e6 100644
--- a/holo-northbound/src/configuration.rs
+++ b/holo-northbound/src/configuration.rs
@@ -12,8 +12,8 @@ use holo_utils::yang::SchemaNodeExt;
 use holo_yang::YangPath;
 use serde::{Deserialize, Serialize};
 use tokio::sync::oneshot;
-use yang2::data::{Data, DataDiff, DataDiffOp, DataNodeRef, DataTree};
-use yang2::schema::SchemaNodeKind;
+use yang3::data::{Data, DataDiff, DataDiffOp, DataNodeRef, DataTree};
+use yang3::schema::SchemaNodeKind;
 
 use crate::debug::Debug;
 use crate::error::Error;
diff --git a/holo-northbound/src/error.rs b/holo-northbound/src/error.rs
index a49fc87f..0dfaf36d 100644
--- a/holo-northbound/src/error.rs
+++ b/holo-northbound/src/error.rs
@@ -14,8 +14,8 @@ pub enum Error {
     RpcNotFound,
     RpcRelay(String),
     RpcCallback(String),
-    YangInvalidPath(yang2::Error),
-    YangInvalidData(yang2::Error),
+    YangInvalidPath(yang3::Error),
+    YangInvalidData(yang3::Error),
 }
 
 // ===== impl Error =====
diff --git a/holo-northbound/src/lib.rs b/holo-northbound/src/lib.rs
index b85af914..822f5b52 100644
--- a/holo-northbound/src/lib.rs
+++ b/holo-northbound/src/lib.rs
@@ -24,7 +24,7 @@ use derive_new::new;
 use holo_utils::{Receiver, Sender, UnboundedReceiver, UnboundedSender};
 use serde::{Deserialize, Serialize};
 use tracing::Span;
-use yang2::schema::{DataValueType, SchemaNode, SchemaNodeKind};
+use yang3::schema::{DataValueType, SchemaNode, SchemaNodeKind};
 
 use crate::debug::Debug;
 
diff --git a/holo-northbound/src/notification.rs b/holo-northbound/src/notification.rs
index 90a427ec..e7363245 100644
--- a/holo-northbound/src/notification.rs
+++ b/holo-northbound/src/notification.rs
@@ -5,7 +5,7 @@
 //
 
 use holo_yang::{YangObject, YANG_CTX};
-use yang2::data::DataTree;
+use yang3::data::DataTree;
 
 use crate::api::provider::Notification;
 use crate::NbProviderSender;
diff --git a/holo-northbound/src/rpc.rs b/holo-northbound/src/rpc.rs
index f2919eb3..61fffd30 100644
--- a/holo-northbound/src/rpc.rs
+++ b/holo-northbound/src/rpc.rs
@@ -11,8 +11,8 @@ use std::pin::Pin;
 use holo_utils::yang::SchemaNodeExt;
 use holo_yang::YangPath;
 use tokio::sync::oneshot;
-use yang2::data::{DataNodeRef, DataTree};
-use yang2::schema::SchemaNodeKind;
+use yang3::data::{DataNodeRef, DataTree};
+use yang3::schema::SchemaNodeKind;
 
 use crate::debug::Debug;
 use crate::error::Error;
diff --git a/holo-northbound/src/state.rs b/holo-northbound/src/state.rs
index eb75a57b..29af0947 100644
--- a/holo-northbound/src/state.rs
+++ b/holo-northbound/src/state.rs
@@ -11,8 +11,8 @@ use derive_new::new;
 use holo_utils::yang::SchemaNodeExt;
 use holo_yang::{YangObject, YangPath, YANG_CTX};
 use tokio::sync::oneshot;
-use yang2::data::{DataNodeRef, DataTree};
-use yang2::schema::{SchemaModule, SchemaNode, SchemaNodeKind};
+use yang3::data::{DataNodeRef, DataTree};
+use yang3::schema::{SchemaModule, SchemaNode, SchemaNodeKind};
 
 use crate::error::Error;
 use crate::{api, CallbackKey, CallbackOp, NbDaemonSender, ProviderBase};
diff --git a/holo-ospf/Cargo.toml b/holo-ospf/Cargo.toml
index 08579d34..21569b02 100644
--- a/holo-ospf/Cargo.toml
+++ b/holo-ospf/Cargo.toml
@@ -33,7 +33,7 @@ smallvec.workspace = true
 socket2.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-protocol = { path = "../holo-protocol" }
diff --git a/holo-ospf/src/northbound/configuration.rs b/holo-ospf/src/northbound/configuration.rs
index 06cca84e..641e05b3 100644
--- a/holo-ospf/src/northbound/configuration.rs
+++ b/holo-ospf/src/northbound/configuration.rs
@@ -21,7 +21,7 @@ use holo_utils::ibus::IbusMsg;
 use holo_utils::ip::{AddressFamily, IpAddrKind, IpNetworkKind};
 use holo_utils::yang::DataNodeRefExt;
 use holo_yang::{ToYang, TryFromYang};
-use yang2::data::Data;
+use yang3::data::Data;
 
 use crate::area::{self, AreaType};
 use crate::collections::{AreaIndex, InterfaceIndex};
diff --git a/holo-ospf/src/northbound/rpc.rs b/holo-ospf/src/northbound/rpc.rs
index 9c50f882..b5ff5a61 100644
--- a/holo-ospf/src/northbound/rpc.rs
+++ b/holo-ospf/src/northbound/rpc.rs
@@ -9,7 +9,7 @@ use std::sync::LazyLock as Lazy;
 use holo_northbound::rpc::{Callbacks, CallbacksBuilder, Provider};
 use holo_northbound::yang;
 use holo_utils::yang::DataNodeRefExt;
-use yang2::data::Data;
+use yang3::data::Data;
 
 use crate::instance::{Instance, InstanceArenas, InstanceUpView};
 use crate::neighbor::nsm;
diff --git a/holo-policy/Cargo.toml b/holo-policy/Cargo.toml
index cda5c469..71385e1c 100644
--- a/holo-policy/Cargo.toml
+++ b/holo-policy/Cargo.toml
@@ -11,7 +11,7 @@ derive-new.workspace = true
 enum-as-inner.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-utils = { path = "../holo-utils" }
diff --git a/holo-protocol/Cargo.toml b/holo-protocol/Cargo.toml
index 395e07f5..2dff9b45 100644
--- a/holo-protocol/Cargo.toml
+++ b/holo-protocol/Cargo.toml
@@ -13,7 +13,7 @@ serde_json.workspace = true
 tokio.workspace = true
 tracing.workspace = true
 tracing-subscriber.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-utils = { path = "../holo-utils" }
diff --git a/holo-protocol/src/test/stub/collector.rs b/holo-protocol/src/test/stub/collector.rs
index dc01bbc1..0b3224d5 100644
--- a/holo-protocol/src/test/stub/collector.rs
+++ b/holo-protocol/src/test/stub/collector.rs
@@ -9,7 +9,7 @@ use std::sync::{Arc, Mutex};
 use holo_northbound::NbProviderReceiver;
 use holo_utils::ibus::IbusReceiver;
 use holo_utils::Receiver;
-use yang2::data::{Data, DataFormat, DataPrinterFlags};
+use yang3::data::{Data, DataFormat, DataPrinterFlags};
 
 use crate::ProtocolInstance;
 
diff --git a/holo-protocol/src/test/stub/northbound.rs b/holo-protocol/src/test/stub/northbound.rs
index fc31793f..3ae8b1e1 100644
--- a/holo-protocol/src/test/stub/northbound.rs
+++ b/holo-protocol/src/test/stub/northbound.rs
@@ -10,7 +10,7 @@ use holo_northbound::configuration::{self, CommitPhase, ConfigChanges};
 use holo_northbound::{api, NbDaemonSender};
 use holo_yang::YANG_CTX;
 use tokio::sync::oneshot;
-use yang2::data::{
+use yang3::data::{
     Data, DataDiff, DataDiffFlags, DataFormat, DataOperation, DataParserFlags,
     DataPrinterFlags, DataTree, DataValidationFlags,
 };
diff --git a/holo-rip/Cargo.toml b/holo-rip/Cargo.toml
index ca115a5d..b537a276 100644
--- a/holo-rip/Cargo.toml
+++ b/holo-rip/Cargo.toml
@@ -24,7 +24,7 @@ serde.workspace = true
 serde_json.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-protocol = { path = "../holo-protocol" }
diff --git a/holo-routing/Cargo.toml b/holo-routing/Cargo.toml
index 7b560c1f..d0dbfc89 100644
--- a/holo-routing/Cargo.toml
+++ b/holo-routing/Cargo.toml
@@ -19,7 +19,7 @@ regex.workspace = true
 rtnetlink.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-northbound = { path = "../holo-northbound" }
 holo-protocol = { path = "../holo-protocol" }
diff --git a/holo-routing/src/northbound/rpc.rs b/holo-routing/src/northbound/rpc.rs
index f281c4ee..b4ea1c96 100644
--- a/holo-routing/src/northbound/rpc.rs
+++ b/holo-routing/src/northbound/rpc.rs
@@ -9,7 +9,7 @@ use holo_northbound::yang::control_plane_protocol;
 use holo_northbound::{CallbackKey, NbDaemonSender};
 use holo_utils::protocol::Protocol;
 use holo_utils::yang::DataNodeRefExt;
-use yang2::data::DataNodeRef;
+use yang3::data::DataNodeRef;
 
 use crate::Master;
 
diff --git a/holo-tools/Cargo.toml b/holo-tools/Cargo.toml
index 5045752b..d700a3e4 100644
--- a/holo-tools/Cargo.toml
+++ b/holo-tools/Cargo.toml
@@ -13,7 +13,7 @@ num-traits.workspace = true
 serde_json.workspace = true
 similar.workspace = true
 tokio.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-bfd = { path = "../holo-bfd", features = ["testing"] }
 holo-bgp = { path = "../holo-bgp", features = ["testing"] }
diff --git a/holo-tools/src/yang_callbacks.rs b/holo-tools/src/yang_callbacks.rs
index 8c457db5..915a5cd5 100644
--- a/holo-tools/src/yang_callbacks.rs
+++ b/holo-tools/src/yang_callbacks.rs
@@ -9,8 +9,8 @@ use clap::{App, Arg};
 use convert_case::{Boundary, Case, Casing};
 use holo_northbound::CallbackOp;
 use holo_yang as yang;
-use yang2::context::Context;
-use yang2::schema::{SchemaModule, SchemaNode, SchemaNodeKind};
+use yang3::context::Context;
+use yang3::schema::{SchemaModule, SchemaNode, SchemaNodeKind};
 
 fn snode_module(snode: &SchemaNode<'_>) -> String {
     let snodes = snode.inclusive_ancestors().collect::<Vec<_>>();
diff --git a/holo-tools/src/yang_coverage.rs b/holo-tools/src/yang_coverage.rs
index c64e86e5..cdd66db8 100644
--- a/holo-tools/src/yang_coverage.rs
+++ b/holo-tools/src/yang_coverage.rs
@@ -9,8 +9,8 @@ use std::collections::BTreeMap;
 use clap::{App, Arg};
 use holo_yang as yang;
 use num_traits::cast::AsPrimitive;
-use yang2::context::Context;
-use yang2::schema::{SchemaNodeKind, SchemaOutputFormat, SchemaPrinterFlags};
+use yang3::context::Context;
+use yang3::schema::{SchemaNodeKind, SchemaOutputFormat, SchemaPrinterFlags};
 
 #[derive(Debug, Default)]
 struct NodeCounters<T> {
diff --git a/holo-tools/src/yang_deviations.rs b/holo-tools/src/yang_deviations.rs
index 9a86b90c..55bfc5a3 100644
--- a/holo-tools/src/yang_deviations.rs
+++ b/holo-tools/src/yang_deviations.rs
@@ -6,7 +6,7 @@
 
 use clap::{App, Arg};
 use holo_yang as yang;
-use yang2::schema::SchemaNode;
+use yang3::schema::SchemaNode;
 
 // Generate fully-prefixed schema path.
 fn gen_fully_prefixed_path(snode: &SchemaNode<'_>) -> String {
diff --git a/holo-utils/Cargo.toml b/holo-utils/Cargo.toml
index 514d22c9..9a9f71ab 100644
--- a/holo-utils/Cargo.toml
+++ b/holo-utils/Cargo.toml
@@ -28,7 +28,7 @@ serde_json.workspace = true
 socket2.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 holo-yang = { path = "../holo-yang" }
 
diff --git a/holo-utils/src/yang.rs b/holo-utils/src/yang.rs
index a174260d..fc6b30a2 100644
--- a/holo-utils/src/yang.rs
+++ b/holo-utils/src/yang.rs
@@ -10,9 +10,9 @@ use std::str::FromStr;
 
 use holo_yang::TryFromYang;
 use ipnetwork::{IpNetwork, Ipv4Network, Ipv6Network};
-use yang2::context::Context;
-use yang2::data::{Data, DataNodeRef};
-use yang2::schema::{DataValue, SchemaNode, SchemaPathFormat};
+use yang3::context::Context;
+use yang3::data::{Data, DataNodeRef};
+use yang3::schema::{DataValue, SchemaNode, SchemaPathFormat};
 
 use crate::ip::AddressFamily;
 
diff --git a/holo-yang/Cargo.toml b/holo-yang/Cargo.toml
index fdeef09b..7c6f5cb7 100644
--- a/holo-yang/Cargo.toml
+++ b/holo-yang/Cargo.toml
@@ -11,7 +11,7 @@ description = "YANG module of Holo Routing, including embedded YANG models and u
 maplit.workspace = true
 serde.workspace = true
 tracing.workspace = true
-yang2.workspace = true
+yang3.workspace = true
 
 [lints]
 workspace = true
diff --git a/holo-yang/src/lib.rs b/holo-yang/src/lib.rs
index e21e1338..7e1d1a92 100644
--- a/holo-yang/src/lib.rs
+++ b/holo-yang/src/lib.rs
@@ -11,10 +11,10 @@ use std::collections::HashMap;
 use std::sync::{Arc, LazyLock as Lazy, OnceLock};
 
 use maplit::hashmap;
-use yang2::context::{
+use yang3::context::{
     Context, ContextFlags, EmbeddedModuleKey, EmbeddedModules,
 };
-use yang2::data::DataNodeRef;
+use yang3::data::DataNodeRef;
 
 // Global YANG context.
 pub static YANG_CTX: OnceLock<Arc<Context>> = OnceLock::new();
diff --git a/holo-yang/src/serde/data_tree.rs b/holo-yang/src/serde/data_tree.rs
index 671a6fe8..3402abc7 100644
--- a/holo-yang/src/serde/data_tree.rs
+++ b/holo-yang/src/serde/data_tree.rs
@@ -7,7 +7,7 @@
 use std::sync::Arc;
 
 use serde::{Deserialize, Serializer};
-use yang2::data::{
+use yang3::data::{
     Data, DataFormat, DataParserFlags, DataPrinterFlags, DataTree,
     DataValidationFlags,
 };