diff --git a/sepolia/2024-11-26-holocene-contracts/.env b/sepolia/2024-11-26-holocene-contracts/.env
new file mode 100644
index 00000000..27be2fc2
--- /dev/null
+++ b/sepolia/2024-11-26-holocene-contracts/.env
@@ -0,0 +1,10 @@
+# op-contracts v1.8.0-rc.3
+OP_COMMIT=dff5f16c510e7f44f1be0574372ccb08bfec045c
+SYSTEM_CONFIG_PROXY=0xf272670eb55e895584501d564AfEB048bEd26194
+
+# Newly deployed implementation contract for Holocene
+SYSTEM_CONFIG_IMPLEMENTATION=TODO
+
+GAS_LIMIT=60000000
+ELASTICITY_MULTIPLIER=2
+DENOMINATOR=250
diff --git a/sepolia/2024-11-26-holocene-contracts/.gitignore b/sepolia/2024-11-26-holocene-contracts/.gitignore
new file mode 100644
index 00000000..4f00cd9a
--- /dev/null
+++ b/sepolia/2024-11-26-holocene-contracts/.gitignore
@@ -0,0 +1 @@
+/src/
diff --git a/sepolia/2024-11-26-holocene-contracts/Makefile b/sepolia/2024-11-26-holocene-contracts/Makefile
new file mode 100644
index 00000000..9ae88cf3
--- /dev/null
+++ b/sepolia/2024-11-26-holocene-contracts/Makefile
@@ -0,0 +1,15 @@
+include ../../Makefile
+include ../.env
+include .env
+
+.PHONY: deploy
+deploy:
+	forge script --rpc-url $(L1_RPC_URL) --private-key $(PRIVATE_KEY) DeploySystemConfig --broadcast
+
+.PHONY: upgrade
+upgrade:
+	forge script --rpc-url $(L1_RPC_URL) --private-key $(PRIVATE_KEY) UpgradeSystemConfig --broadcast
+
+.PHONY: set-1559-params
+set-1559-params:
+	forge script --rpc-url $(L1_RPC_URL) --private-key $(PRIVATE_KEY) SetEIP1559Params --broadcast
diff --git a/sepolia/2024-11-26-holocene-contracts/foundry.toml b/sepolia/2024-11-26-holocene-contracts/foundry.toml
new file mode 100644
index 00000000..ce15d349
--- /dev/null
+++ b/sepolia/2024-11-26-holocene-contracts/foundry.toml
@@ -0,0 +1,19 @@
+[profile.default]
+src = 'src'
+out = 'out'
+libs = ['lib']
+broadcast = 'records'
+fs_permissions = [ {access = "read-write", path = "./"} ]
+optimizer = true
+optimizer_runs = 999999
+via-ir = true
+remappings = [
+    '@eth-optimism-bedrock/contracts/=lib/optimism/packages/contracts-bedrock/src/',
+    '@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts',
+    '@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts',
+    '@rari-capital/solmate/=lib/solmate/',
+    '@solady/=lib/solady/src',
+    '@cwia/=lib/clones-with-immutable-args/src'
+]
+
+# See more config options https://github.com/foundry-rs/foundry/tree/master/config
diff --git a/sepolia/2024-11-26-holocene-contracts/script/DeploySystemConfig.s.sol b/sepolia/2024-11-26-holocene-contracts/script/DeploySystemConfig.s.sol
new file mode 100644
index 00000000..26f14fd0
--- /dev/null
+++ b/sepolia/2024-11-26-holocene-contracts/script/DeploySystemConfig.s.sol
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.15;
+
+import "lib/optimism/packages/contracts-bedrock/src/L1/SystemConfig.sol";
+import "forge-std/Script.sol";
+
+contract DeploySystemConfig is Script {
+    function run() public {
+        vm.startBroadcast();
+        SystemConfig systemConfigImpl = new SystemConfig();
+        console.log("SystemConfig implementation deployed at: ", address(systemConfigImpl));
+        vm.stopBroadcast();
+    }
+}
diff --git a/sepolia/2024-11-26-holocene-contracts/script/SetEIP1559Params.s.sol b/sepolia/2024-11-26-holocene-contracts/script/SetEIP1559Params.s.sol
new file mode 100644
index 00000000..639483f6
--- /dev/null
+++ b/sepolia/2024-11-26-holocene-contracts/script/SetEIP1559Params.s.sol
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.15;
+
+import "forge-std/Script.sol";
+import "@eth-optimism-bedrock/contracts/universal/ProxyAdmin.sol";
+import "@eth-optimism-bedrock/contracts/L1/SystemConfig.sol";
+
+contract SetEIP1559Params is Script {
+    address systemConfigProxyAddress = vm.envAddress("SYSTEM_CONFIG_PROXY");
+    address proxyAdminOwner = vm.envAddress("PROXY_ADMIN_OWNER");
+
+    uint64 gasLimit = uint64(vm.envUint("GAS_LIMIT"));
+
+    uint32 denominator = uint32(vm.envUint("DENOMINATOR"));
+    uint32 elasticityMultiplier = uint32(vm.envUint("ELASTICITY_MULTIPLIER"));
+
+
+    function run() public {
+        vm.startBroadcast(proxyAdminOwner);
+
+	SystemConfig(systemConfigProxyAddress).setEIP1559Params(denominator, elasticityMultiplier);
+	SystemConfig(systemConfigProxyAddress).setGasLimit(gasLimit);
+
+	vm.stopBroadcast();
+    }
+}
diff --git a/sepolia/2024-11-26-holocene-contracts/script/UpgradeSystemConfig.s.sol b/sepolia/2024-11-26-holocene-contracts/script/UpgradeSystemConfig.s.sol
new file mode 100644
index 00000000..d175cdfc
--- /dev/null
+++ b/sepolia/2024-11-26-holocene-contracts/script/UpgradeSystemConfig.s.sol
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.15;
+
+import "forge-std/Script.sol";
+import "@eth-optimism-bedrock/contracts/universal/ProxyAdmin.sol";
+import "@eth-optimism-bedrock/contracts/L1/SystemConfig.sol";
+
+contract UpgradeSystemConfig is Script {
+    address systemConfigProxy = vm.envAddress("SYSTEM_CONFIG_PROXY");
+    address systemConfigImplementation = vm.envAddress("SYSTEM_CONFIG_IMPLEMENTATION");
+    address proxyAdminOwner = vm.envAddress("PROXY_ADMIN_OWNER");
+
+    function run() public {
+        vm.broadcast(proxyAdminOwner);
+        ProxyAdmin proxyAdmin = ProxyAdmin(payable(vm.envAddress("PROXY_ADMIN")));
+
+	proxyAdmin.upgrade(
+	    payable(systemConfigProxy),
+            systemConfigImplementation
+	);
+    }
+}