diff --git a/Cargo.lock b/Cargo.lock
index be281eea..6993d026 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -643,7 +643,7 @@ dependencies = [
 
 [[package]]
 name = "cli"
-version = "0.5.3"
+version = "0.5.5"
 dependencies = [
  "clap",
  "client",
@@ -661,7 +661,7 @@ dependencies = [
 
 [[package]]
 name = "client"
-version = "0.5.3"
+version = "0.5.5"
 dependencies = [
  "common",
  "config",
@@ -743,7 +743,7 @@ checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
 
 [[package]]
 name = "common"
-version = "0.5.3"
+version = "0.5.5"
 dependencies = [
  "ethers",
  "eyre",
@@ -755,7 +755,7 @@ dependencies = [
 
 [[package]]
 name = "config"
-version = "0.5.3"
+version = "0.5.5"
 dependencies = [
  "common",
  "dirs 4.0.0",
@@ -776,7 +776,7 @@ dependencies = [
 
 [[package]]
 name = "consensus"
-version = "0.5.3"
+version = "0.5.5"
 dependencies = [
  "async-trait",
  "bytes",
@@ -1681,7 +1681,7 @@ checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
 [[package]]
 name = "execution"
-version = "0.5.3"
+version = "0.5.5"
 dependencies = [
  "async-trait",
  "bytes",
@@ -2201,7 +2201,7 @@ checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
 [[package]]
 name = "helios"
-version = "0.5.2"
+version = "0.5.5"
 dependencies = [
  "client",
  "common",
diff --git a/Cargo.toml b/Cargo.toml
index a4850497..44696403 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "helios"
-version = "0.5.4"
+version = "0.5.5"
 edition = "2021"
 autobenches = false
 exclude = [
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index d6b86c5d..603a975f 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cli"
-version = "0.5.4"
+version = "0.5.5"
 edition = "2021"
 
 [[bin]]
diff --git a/client/Cargo.toml b/client/Cargo.toml
index aec8d1fb..0e8ee5ae 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "client"
-version = "0.5.4"
+version = "0.5.5"
 edition = "2021"
 
 [dependencies]
diff --git a/common/Cargo.toml b/common/Cargo.toml
index 4f515a70..6e1dfb90 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "common"
-version = "0.5.4"
+version = "0.5.5"
 edition = "2021"
 
 [dependencies]
diff --git a/config/Cargo.toml b/config/Cargo.toml
index cab430d4..63a2a0e8 100644
--- a/config/Cargo.toml
+++ b/config/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "config"
-version = "0.5.4"
+version = "0.5.5"
 edition = "2021"
 
 [dependencies]
diff --git a/config/src/networks.rs b/config/src/networks.rs
index cd06bb0f..c8b90bcc 100644
--- a/config/src/networks.rs
+++ b/config/src/networks.rs
@@ -72,7 +72,7 @@ impl Network {
 pub fn mainnet() -> BaseConfig {
     BaseConfig {
         default_checkpoint: hex_str_to_bytes(
-            "0x7e495f50102bed2aae9e698b73a2a640de548658998033d732feb1c0c0c7f80b",
+            "0xc7fc7b2f4b548bfc9305fa80bc1865ddc6eea4557f0a80507af5dc34db7bd9ce",
         )
         .unwrap(),
         rpc_port: 8545,
@@ -103,7 +103,7 @@ pub fn mainnet() -> BaseConfig {
                 fork_version: hex_str_to_bytes("0x03000000").unwrap(),
             },
             deneb: Fork {
-                epoch: u64::MAX,
+                epoch: 269568,
                 fork_version: hex_str_to_bytes("0x04000000").unwrap(),
             },
         },
diff --git a/consensus/Cargo.toml b/consensus/Cargo.toml
index e893eca2..e8ba2422 100644
--- a/consensus/Cargo.toml
+++ b/consensus/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "consensus"
-version = "0.5.4"
+version = "0.5.5"
 edition = "2021"
 
 [dependencies]
diff --git a/execution/Cargo.toml b/execution/Cargo.toml
index f1f34440..7ebc7fae 100644
--- a/execution/Cargo.toml
+++ b/execution/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "execution"
-version = "0.5.4"
+version = "0.5.5"
 edition = "2021"
 
 [dependencies]
diff --git a/execution/src/execution.rs b/execution/src/execution.rs
index c1d37e00..c8f78fc1 100644
--- a/execution/src/execution.rs
+++ b/execution/src/execution.rs
@@ -89,7 +89,7 @@ impl<R: ExecutionRpc> ExecutionClient<R> {
             let is_valid = verify_proof(
                 &storage_proof.proof,
                 proof.storage_hash.as_bytes(),
-                &key_hash.to_vec(),
+                &key_hash,
                 &value,
             );
 
diff --git a/execution/src/proof.rs b/execution/src/proof.rs
index 0d836ab5..eeeaf608 100644
--- a/execution/src/proof.rs
+++ b/execution/src/proof.rs
@@ -2,7 +2,7 @@ use ethers::types::{Bytes, EIP1186ProofResponse};
 use ethers::utils::keccak256;
 use ethers::utils::rlp::{decode_list, RlpStream};
 
-pub fn verify_proof(proof: &Vec<Bytes>, root: &[u8], path: &Vec<u8>, value: &Vec<u8>) -> bool {
+pub fn verify_proof(proof: &[Bytes], root: &[u8], path: &[u8], value: &[u8]) -> bool {
     let mut expected_hash = root.to_vec();
     let mut path_offset = 0;
 
@@ -38,7 +38,7 @@ pub fn verify_proof(proof: &Vec<Bytes>, root: &[u8], path: &Vec<u8>, value: &Vec
                 }
 
                 // inclusion proof
-                if &node_list[1] == value {
+                if node_list[1] == value {
                     return paths_match(
                         &node_list[0],
                         skip_length(&node_list[0]),
@@ -65,7 +65,7 @@ pub fn verify_proof(proof: &Vec<Bytes>, root: &[u8], path: &Vec<u8>, value: &Vec
     false
 }
 
-fn paths_match(p1: &Vec<u8>, s1: usize, p2: &Vec<u8>, s2: usize) -> bool {
+fn paths_match(p1: &[u8], s1: usize, p2: &[u8], s2: usize) -> bool {
     let len1 = p1.len() * 2 - s1;
     let len2 = p2.len() * 2 - s2;
 
@@ -86,7 +86,7 @@ fn paths_match(p1: &Vec<u8>, s1: usize, p2: &Vec<u8>, s2: usize) -> bool {
 }
 
 #[allow(dead_code)]
-fn get_rest_path(p: &Vec<u8>, s: usize) -> String {
+fn get_rest_path(p: &[u8], s: usize) -> String {
     let mut ret = String::new();
     for i in s..p.len() * 2 {
         let n = get_nibble(p, i);
@@ -95,7 +95,7 @@ fn get_rest_path(p: &Vec<u8>, s: usize) -> String {
     ret
 }
 
-fn is_empty_value(value: &Vec<u8>) -> bool {
+fn is_empty_value(value: &[u8]) -> bool {
     let mut stream = RlpStream::new();
     stream.begin_list(4);
     stream.append_empty_data();
@@ -107,11 +107,11 @@ fn is_empty_value(value: &Vec<u8>) -> bool {
     let empty_account = stream.out();
 
     let is_empty_slot = value.len() == 1 && value[0] == 0x80;
-    let is_empty_account = value == &empty_account;
+    let is_empty_account = value == empty_account;
     is_empty_slot || is_empty_account
 }
 
-fn shared_prefix_length(path: &Vec<u8>, path_offset: usize, node_path: &Vec<u8>) -> usize {
+fn shared_prefix_length(path: &[u8], path_offset: usize, node_path: &[u8]) -> usize {
     let skip_length = skip_length(node_path);
 
     let len = std::cmp::min(
@@ -134,7 +134,7 @@ fn shared_prefix_length(path: &Vec<u8>, path_offset: usize, node_path: &Vec<u8>)
     prefix_len
 }
 
-fn skip_length(node: &Vec<u8>) -> usize {
+fn skip_length(node: &[u8]) -> usize {
     if node.is_empty() {
         return 0;
     }