diff --git a/Cargo.lock b/Cargo.lock
index ea77fc8..a1d53ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4452,7 +4452,6 @@ dependencies = [
  "alloy-primitives",
  "eyre",
  "odyssey-precompile",
- "once_cell",
  "reth-chainspec",
  "reth-cli",
  "reth-network",
diff --git a/Cargo.toml b/Cargo.toml
index 0cddb1d..5fd4bb7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -201,7 +201,6 @@ eyre = "0.6.12"
 tracing = "0.1.0"
 serde = "1"
 serde_json = "1"
-once_cell = "1.19"
 thiserror = "1"
 
 # misc-testing
diff --git a/crates/node/Cargo.toml b/crates/node/Cargo.toml
index 3ed6070..7335cbe 100644
--- a/crates/node/Cargo.toml
+++ b/crates/node/Cargo.toml
@@ -11,7 +11,6 @@ categories.workspace = true
 
 [dependencies]
 odyssey-precompile.workspace = true
-once_cell.workspace = true
 reth-cli.workspace = true
 reth-node-api.workspace = true
 reth-node-builder.workspace = true
diff --git a/crates/node/src/chainspec.rs b/crates/node/src/chainspec.rs
index c59dab9..19af582 100644
--- a/crates/node/src/chainspec.rs
+++ b/crates/node/src/chainspec.rs
@@ -1,7 +1,7 @@
 //! Odyssey chainspec parsing logic.
+use std::sync::LazyLock;
 
 use alloy_primitives::{b256, U256};
-use once_cell::sync::Lazy;
 use reth_chainspec::{
     once_cell_set, BaseFeeParams, BaseFeeParamsKind, Chain, ChainHardforks, ChainSpec,
     EthereumHardfork, ForkCondition, NamedChain,
@@ -13,7 +13,7 @@ use reth_primitives::constants::ETHEREUM_BLOCK_GAS_LIMIT;
 use std::sync::Arc;
 
 /// Odyssey forks.
-pub static ODYSSEY_FORKS: Lazy<ChainHardforks> = Lazy::new(|| {
+pub static ODYSSEY_FORKS: LazyLock<ChainHardforks> = LazyLock::new(|| {
     ChainHardforks::new(vec![
         (EthereumHardfork::Frontier.boxed(), ForkCondition::Block(0)),
         (EthereumHardfork::Homestead.boxed(), ForkCondition::Block(0)),
@@ -41,7 +41,7 @@ pub static ODYSSEY_FORKS: Lazy<ChainHardforks> = Lazy::new(|| {
 });
 
 /// Odyssey dev testnet specification.
-pub static ODYSSEY_DEV: Lazy<Arc<OpChainSpec>> = Lazy::new(|| {
+pub static ODYSSEY_DEV: LazyLock<Arc<OpChainSpec>> = LazyLock::new(|| {
     OpChainSpec::new(ChainSpec {
         chain: Chain::from_named(NamedChain::Odyssey),
         genesis: serde_json::from_str(include_str!("../../../etc/dev-genesis.json"))
@@ -56,7 +56,7 @@ pub static ODYSSEY_DEV: Lazy<Arc<OpChainSpec>> = Lazy::new(|| {
 });
 
 /// Odyssey main chain specification.
-pub static ODYSSEY_MAINNET: Lazy<Arc<OpChainSpec>> = Lazy::new(|| {
+pub static ODYSSEY_MAINNET: LazyLock<Arc<OpChainSpec>> = LazyLock::new(|| {
     OpChainSpec::new(ChainSpec {
         chain: Chain::from_named(NamedChain::Odyssey),
         // genesis contains empty alloc field because state at first bedrock block is imported