diff --git a/bolt-sidecar/Cargo.lock b/bolt-sidecar/Cargo.lock
index b1649a0c..f88eab3e 100644
--- a/bolt-sidecar/Cargo.lock
+++ b/bolt-sidecar/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "account_utils"
@@ -1973,8 +1973,8 @@ dependencies = [
  "tower-http",
  "tracing",
  "tracing-subscriber",
- "tree_hash 0.5.2",
- "tree_hash_derive 0.5.2",
+ "tree_hash 0.8.0",
+ "tree_hash_derive 0.8.0",
 ]
 
 [[package]]
@@ -3569,6 +3569,17 @@ dependencies = [
  "sha2 0.10.8",
 ]
 
+[[package]]
+name = "ethereum_hashing"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c853bd72c9e5787f8aafc3df2907c2ed03cff3150c3acd94e2e53a98ab70a8ab"
+dependencies = [
+ "cpufeatures",
+ "ring 0.17.8",
+ "sha2 0.10.8",
+]
+
 [[package]]
 name = "ethereum_hashing"
 version = "1.0.0-beta.2"
@@ -8631,6 +8642,17 @@ dependencies = [
  "smallvec",
 ]
 
+[[package]]
+name = "tree_hash"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "373495c23db675a5192de8b610395e1bec324d596f9e6111192ce903dc11403a"
+dependencies = [
+ "alloy-primitives 0.8.14",
+ "ethereum_hashing 0.7.0",
+ "smallvec",
+]
+
 [[package]]
 name = "tree_hash_derive"
 version = "0.5.2"
@@ -8653,6 +8675,18 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "tree_hash_derive"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0857056ca4eb5de8c417309be42bcff6017b47e86fbaddde609b4633f66061e"
+dependencies = [
+ "darling 0.20.10",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
+]
+
 [[package]]
 name = "triomphe"
 version = "0.1.14"
diff --git a/bolt-sidecar/Cargo.toml b/bolt-sidecar/Cargo.toml
index 05da8f74..d74cf872 100644
--- a/bolt-sidecar/Cargo.toml
+++ b/bolt-sidecar/Cargo.toml
@@ -22,8 +22,8 @@ tokio-retry = "0.3.0"
 
 # crypto
 blst = "0.3.12"
-tree_hash = "0.5"
-tree_hash_derive = "0.5"
+tree_hash = "0.8"
+tree_hash_derive = "0.8"
 secp256k1 = { version = "0.29.0", features = ["rand"] }
 ssz_rs = { git = "https://github.com/ralexstokes/ssz-rs", rev = "ec3073e" }
 ethereum_ssz = "0.5"