diff --git a/crates/block-processor/src/lib.rs b/crates/block-processor/src/lib.rs
index 87341a2..d836442 100644
--- a/crates/block-processor/src/lib.rs
+++ b/crates/block-processor/src/lib.rs
@@ -16,6 +16,9 @@ pub(crate) mod metrics;
 mod alias;
 pub use alias::{AliasOracle, AliasOracleFactory};
 
+mod utils;
+pub use utils::revm_spec;
+
 mod v1;
 pub use v1::SignetBlockProcessor as SignetBlockProcessorV1;
 
diff --git a/crates/block-processor/src/utils.rs b/crates/block-processor/src/utils.rs
new file mode 100644
index 0000000..4341433
--- /dev/null
+++ b/crates/block-processor/src/utils.rs
@@ -0,0 +1,37 @@
+use reth::revm::primitives::hardfork::SpecId;
+use reth_chainspec::EthereumHardforks;
+
+/// Equivalent to [`reth_evm_ethereum::revm_spec`], however, always starts at
+/// [`SpecId::PRAGUE`] and transitions to [`SpecId::OSAKA`].
+pub fn revm_spec(chain_spec: &reth::chainspec::ChainSpec, timestamp: u64) -> SpecId {
+    if chain_spec.is_osaka_active_at_timestamp(timestamp) { SpecId::OSAKA } else { SpecId::PRAGUE }
+}
+
+/// This is simply a compile-time assertion to ensure that all SpecIds are
+/// covered in the match. When this fails to compile, it indicates that a new
+/// hardfork has been added and [`revm_spec`] needs to be updated.
+#[allow(dead_code)]
+const fn assert_in_range(spec_id: SpecId) {
+    match spec_id {
+        SpecId::FRONTIER
+        | SpecId::FRONTIER_THAWING
+        | SpecId::HOMESTEAD
+        | SpecId::DAO_FORK
+        | SpecId::TANGERINE
+        | SpecId::SPURIOUS_DRAGON
+        | SpecId::BYZANTIUM
+        | SpecId::CONSTANTINOPLE
+        | SpecId::PETERSBURG
+        | SpecId::ISTANBUL
+        | SpecId::MUIR_GLACIER
+        | SpecId::BERLIN
+        | SpecId::LONDON
+        | SpecId::ARROW_GLACIER
+        | SpecId::GRAY_GLACIER
+        | SpecId::MERGE
+        | SpecId::SHANGHAI
+        | SpecId::CANCUN
+        | SpecId::PRAGUE
+        | SpecId::OSAKA => {}
+    }
+}
diff --git a/crates/block-processor/src/v1/processor.rs b/crates/block-processor/src/v1/processor.rs
index fd5aa30..66ada78 100644
--- a/crates/block-processor/src/v1/processor.rs
+++ b/crates/block-processor/src/v1/processor.rs
@@ -14,7 +14,7 @@ use reth::{
     },
     revm::{database::StateProviderDatabase, db::StateBuilder},
 };
-use reth_chainspec::{ChainSpec, EthereumHardforks};
+use reth_chainspec::ChainSpec;
 use reth_node_api::{FullNodeComponents, NodeTypes};
 use signet_blobber::{CacheHandle, ExtractableChainShim};
 use signet_constants::SignetSystemConstants;
@@ -80,11 +80,7 @@ where
 
     /// Get the active spec id at the given timestamp.
     fn spec_id(&self, timestamp: u64) -> SpecId {
-        if self.chain_spec.is_prague_active_at_timestamp(timestamp) {
-            SpecId::PRAGUE
-        } else {
-            SpecId::CANCUN
-        }
+        crate::revm_spec(&self.chain_spec, timestamp)
     }
 
     /// Make a [`StateProviderDatabase`] from the read-write provider, suitable
diff --git a/crates/node-config/Cargo.toml b/crates/node-config/Cargo.toml
index 0842f4b..5774f5e 100644
--- a/crates/node-config/Cargo.toml
+++ b/crates/node-config/Cargo.toml
@@ -28,6 +28,7 @@ serde.workspace = true
 tracing.workspace = true
 trevm.workspace = true
 signet-genesis.workspace = true
+signet-block-processor.workspace = true
 
 [features]
 test_utils = ["dep:reth-db", "reth-db/test-utils"]
diff --git a/crates/node-config/src/core.rs b/crates/node-config/src/core.rs
index d0f5aa2..3954aac 100644
--- a/crates/node-config/src/core.rs
+++ b/crates/node-config/src/core.rs
@@ -1,7 +1,7 @@
 use alloy::genesis::Genesis;
 use init4_bin_base::utils::{calc::SlotCalculator, from_env::FromEnv};
 use reth::providers::providers::StaticFileProvider;
-use reth_chainspec::{ChainSpec, EthereumHardforks};
+use reth_chainspec::ChainSpec;
 use reth_node_api::NodePrimitives;
 use signet_blobber::BlobFetcherConfig;
 use signet_genesis::GenesisSpec;
@@ -215,11 +215,7 @@ impl SignetNodeConfig {
 
     /// Get the current spec id for the Signet Node chain.
     pub fn spec_id(&self, timestamp: u64) -> SpecId {
-        if self.chain_spec().is_prague_active_at_timestamp(timestamp) {
-            SpecId::PRAGUE
-        } else {
-            SpecId::CANCUN
-        }
+        signet_block_processor::revm_spec(self.chain_spec(), timestamp)
     }
 }
 
diff --git a/crates/rpc/Cargo.toml b/crates/rpc/Cargo.toml
index c579fa0..6594a41 100644
--- a/crates/rpc/Cargo.toml
+++ b/crates/rpc/Cargo.toml
@@ -27,7 +27,6 @@ reth.workspace = true
 reth-chainspec.workspace = true
 reth-db.workspace = true
 reth-db-common.workspace = true
-reth-evm-ethereum.workspace = true
 reth-node-api.workspace = true
 reth-rpc-eth-api.workspace = true
 
@@ -45,6 +44,7 @@ tracing.workspace = true
 serde_json.workspace = true
 futures-util = "0.3.31"
 itertools.workspace = true
+signet-block-processor.workspace = true
 
 [dev-dependencies]
 signet-zenith.workspace = true
diff --git a/crates/rpc/src/ctx/signet.rs b/crates/rpc/src/ctx/signet.rs
index 1a06e91..113f1af 100644
--- a/crates/rpc/src/ctx/signet.rs
+++ b/crates/rpc/src/ctx/signet.rs
@@ -173,7 +173,7 @@ where
 
     /// Get the EVM spec ID for a given block.
     pub fn evm_spec_id(&self, header: &Header) -> SpecId {
-        reth_evm_ethereum::revm_spec(&self.chain_spec(), header)
+        signet_block_processor::revm_spec(&self.chain_spec(), header.timestamp())
     }
 
     /// Access the subscription manager.