diff --git a/Cargo.lock b/Cargo.lock
index 3ca3084..0bb4bef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3029,7 +3029,7 @@ dependencies = [
 [[package]]
 name = "kona-derive"
 version = "0.0.6"
-source = "git+https://github.com/anton-rs/kona?branch=main#138a8f29255ee45a6a12f1200303d02a73154e07"
+source = "git+https://github.com/anton-rs/kona?branch=rf/chore/alloy-updates#02dad9376a13006204a066f7a31648a9cee97746"
 dependencies = [
  "alloc-no-stdlib",
  "alloy-consensus",
@@ -3051,7 +3051,7 @@ dependencies = [
 [[package]]
 name = "kona-driver"
 version = "0.0.0"
-source = "git+https://github.com/anton-rs/kona?branch=main#138a8f29255ee45a6a12f1200303d02a73154e07"
+source = "git+https://github.com/anton-rs/kona?branch=rf/chore/alloy-updates#02dad9376a13006204a066f7a31648a9cee97746"
 dependencies = [
  "alloy-consensus",
  "alloy-primitives",
@@ -4123,8 +4123,7 @@ dependencies = [
 [[package]]
 name = "op-alloy-genesis"
 version = "0.6.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ebd0391a3123b47e44ccca8a6f63a39ead2d7ea52e4fc132ff1297f6184314e"
+source = "git+https://github.com/alloy-rs/op-alloy?branch=rf/feat/holocene-timestamps#47a8eea7c268e7c76cfa8a343ce402e822739d7e"
 dependencies = [
  "alloy-consensus",
  "alloy-eips",
@@ -4132,6 +4131,7 @@ dependencies = [
  "alloy-sol-types",
  "serde",
  "serde_repr",
+ "thiserror 2.0.3",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 91d6f8f..ad85652 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,8 +37,12 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [patch.crates-io]
-kona-derive = { git = "https://github.com/anton-rs/kona", branch = "main" }
-kona-driver = { git = "https://github.com/anton-rs/kona", branch = "main" }
+# Kona alloy dep updates - sepolia holocene release can replace this patch
+kona-derive = { git = "https://github.com/anton-rs/kona", branch = "rf/chore/alloy-updates" }
+kona-driver = { git = "https://github.com/anton-rs/kona", branch = "rf/chore/alloy-updates" }
+
+# Used for the sepolia holocene release
+op-alloy-genesis = { git = "https://github.com/alloy-rs/op-alloy", branch = "rf/feat/holocene-timestamps" }
 
 [workspace.dependencies]
 # Workspace
diff --git a/crates/registry/etc/configs.json b/crates/registry/etc/configs.json
index 74954ed..f1a7fae 100644
--- a/crates/registry/etc/configs.json
+++ b/crates/registry/etc/configs.json
@@ -1327,6 +1327,7 @@
           "ecotone_time": 1708534800,
           "fjord_time": 1716998400,
           "granite_time": 1723478400,
+          "holocene_time": 1732633200,
           "block_time": 2,
           "seq_window_size": 3600,
           "max_sequencer_drift": 600,
@@ -1851,6 +1852,7 @@
           "ecotone_time": 1708534800,
           "fjord_time": 1716998400,
           "granite_time": 1723478400,
+          "holocene_time": 1732633200,
           "block_time": 2,
           "seq_window_size": 3600,
           "max_sequencer_drift": 600,
@@ -1993,6 +1995,7 @@
           "ecotone_time": 1708534800,
           "fjord_time": 1716998400,
           "granite_time": 1723478400,
+          "holocene_time": 1732633200,
           "block_time": 2,
           "seq_window_size": 3600,
           "max_sequencer_drift": 600,
@@ -2127,6 +2130,7 @@
           "ecotone_time": 1708534800,
           "fjord_time": 1716998400,
           "granite_time": 1723478400,
+          "holocene_time": 1732633200,
           "block_time": 2,
           "seq_window_size": 3600,
           "max_sequencer_drift": 600,
@@ -2206,6 +2210,7 @@
           "ecotone_time": 1706634000,
           "fjord_time": 1715961600,
           "granite_time": 1723046400,
+          "holocene_time": 1731682800,
           "block_time": 2,
           "seq_window_size": 3600,
           "max_sequencer_drift": 600,
@@ -2275,6 +2280,7 @@
           "ecotone_time": 1706634000,
           "fjord_time": 1715961600,
           "granite_time": 1723046400,
+          "holocene_time": 1731682800,
           "block_time": 2,
           "seq_window_size": 3600,
           "max_sequencer_drift": 600,
diff --git a/crates/registry/src/lib.rs b/crates/registry/src/lib.rs
index fc6bf6e..fcd6b6d 100644
--- a/crates/registry/src/lib.rs
+++ b/crates/registry/src/lib.rs
@@ -40,10 +40,10 @@ mod tests {
     #[test]
     fn test_hardcoded_rollup_configs() {
         let test_cases = vec![
-            (10, op_alloy_genesis::rollup::OP_MAINNET_CONFIG),
-            (8453, op_alloy_genesis::rollup::BASE_MAINNET_CONFIG),
-            (11155420, op_alloy_genesis::rollup::OP_SEPOLIA_CONFIG),
-            (84532, op_alloy_genesis::rollup::BASE_SEPOLIA_CONFIG),
+            (10, op_alloy_genesis::OP_MAINNET_CONFIG),
+            (8453, op_alloy_genesis::BASE_MAINNET_CONFIG),
+            (11155420, op_alloy_genesis::OP_SEPOLIA_CONFIG),
+            (84532, op_alloy_genesis::BASE_SEPOLIA_CONFIG),
         ];
 
         for (chain_id, expected) in test_cases {
diff --git a/crates/registry/src/superchain.rs b/crates/registry/src/superchain.rs
index bf2e9f5..c43169c 100644
--- a/crates/registry/src/superchain.rs
+++ b/crates/registry/src/superchain.rs
@@ -6,7 +6,7 @@ use alloy_primitives::{
     map::{DefaultHashBuilder, HashMap},
     Address,
 };
-use op_alloy_genesis::{chain::HardForkConfiguration, ChainConfig, RollupConfig};
+use op_alloy_genesis::{ChainConfig, HardForkConfiguration, RollupConfig};
 
 /// A superchain configuration.
 #[derive(Debug, Clone, Default, Eq, PartialEq, serde::Serialize, serde::Deserialize)]
@@ -117,8 +117,8 @@ mod tests {
     use alloy_eips::BlockNumHash;
     use alloy_primitives::{address, b256, uint};
     use op_alloy_genesis::{
-        chain::{HardForkConfiguration, SuperchainLevel},
-        AddressList, ChainGenesis, SystemConfig, OP_MAINNET_BASE_FEE_PARAMS,
+        AddressList, ChainGenesis, HardForkConfiguration, SuperchainLevel, SystemConfig,
+        OP_MAINNET_BASE_FEE_PARAMS,
     };
 
     #[test]
@@ -209,7 +209,7 @@ mod tests {
 
     #[test]
     fn test_read_rollup_configs() {
-        use op_alloy_genesis::rollup::OP_MAINNET_CONFIG;
+        use op_alloy_genesis::OP_MAINNET_CONFIG;
         let superchains = Registry::from_chain_list();
         assert_eq!(*superchains.rollup_configs.get(&10).unwrap(), OP_MAINNET_CONFIG);
     }
diff --git a/crates/registry/superchain-registry b/crates/registry/superchain-registry
index 6ae5888..a560627 160000
--- a/crates/registry/superchain-registry
+++ b/crates/registry/superchain-registry
@@ -1 +1 @@
-Subproject commit 6ae58888588b0997013e930ea234c6da2706dfc2
+Subproject commit a560627d56d9b12c7c649e782110101a9579a2c4