diff --git a/Cargo.lock b/Cargo.lock
index 8b4d9d628c9..f8646ae64da 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6591,7 +6591,7 @@ version = "1.0.0-rc.1"
 dependencies = [
  "auto_impl",
  "reth-primitives",
- "thiserror",
+ "thiserror-no-std",
 ]
 
 [[package]]
diff --git a/crates/consensus/consensus/Cargo.toml b/crates/consensus/consensus/Cargo.toml
index 8ea4236bfa1..1d4d6d758c4 100644
--- a/crates/consensus/consensus/Cargo.toml
+++ b/crates/consensus/consensus/Cargo.toml
@@ -16,7 +16,9 @@ reth-primitives.workspace = true
 
 # misc
 auto_impl.workspace = true
-thiserror.workspace = true
+thiserror-no-std = {workspace = true, default-features = false }
 
 [features]
+default = ["std"]
+std = ["thiserror-no-std/std"]
 test-utils = []
diff --git a/crates/consensus/consensus/src/lib.rs b/crates/consensus/consensus/src/lib.rs
index fd3c694c2fa..5768fee46f2 100644
--- a/crates/consensus/consensus/src/lib.rs
+++ b/crates/consensus/consensus/src/lib.rs
@@ -7,14 +7,23 @@
 )]
 #![cfg_attr(not(test), warn(unused_crate_dependencies))]
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
+#![cfg_attr(not(feature = "std"), no_std)]
 
 use reth_primitives::{
     BlockHash, BlockNumber, BlockWithSenders, Bloom, GotExpected, GotExpectedBoxed, Header,
     HeaderValidationError, InvalidTransactionError, Receipt, Request, SealedBlock, SealedHeader,
     B256, U256,
 };
+
+#[cfg(feature = "std")]
 use std::fmt::Debug;
 
+#[cfg(not(feature = "std"))]
+extern crate alloc;
+
+#[cfg(not(feature = "std"))]
+use alloc::{fmt::Debug, vec::Vec};
+
 /// A consensus implementation that does nothing.
 pub mod noop;
 
@@ -119,7 +128,7 @@ pub trait Consensus: Debug + Send + Sync {
 }
 
 /// Consensus Errors
-#[derive(thiserror::Error, Debug, PartialEq, Eq, Clone)]
+#[derive(thiserror_no_std::Error, Debug, PartialEq, Eq, Clone)]
 pub enum ConsensusError {
     /// Error when the gas used in the header exceeds the gas limit.
     #[error("block used gas ({gas_used}) is greater than gas limit ({gas_limit})")]
@@ -333,6 +342,6 @@ impl ConsensusError {
 }
 
 /// `HeaderConsensusError` combines a `ConsensusError` with the `SealedHeader` it relates to.
-#[derive(thiserror::Error, Debug)]
+#[derive(thiserror_no_std::Error, Debug)]
 #[error("Consensus error: {0}, Invalid header: {1:?}")]
 pub struct HeaderConsensusError(ConsensusError, SealedHeader);