diff --git a/ArbGasInfo.sol b/ArbGasInfo.sol
index f8961fd..545839c 100644
--- a/ArbGasInfo.sol
+++ b/ArbGasInfo.sol
@@ -84,4 +84,8 @@ interface ArbGasInfo {
 
     /// @notice Returns the cost amortization cap in basis points
     function getAmortizedCostCapBips() external view returns (uint64);
+
+    /// @notice Returns the available funds from L1 fees
+    /// @notice Available in ArbOS version 10 and above
+    function getL1FeesAvailable() external view returns (uint256);
 }
diff --git a/ArbOwner.sol b/ArbOwner.sol
index e7682ab..921ec59 100644
--- a/ArbOwner.sol
+++ b/ArbOwner.sol
@@ -124,6 +124,12 @@ interface ArbOwner {
         uint64 cap
     ) external;
 
+    /// @notice Releases surplus funds from L1PricerFundsPoolAddress for use
+    /// @notice Available in ArbOS version 10 and above
+    function releaseL1PricerSurplusFunds(
+        uint256 maxWeiToRelease
+    ) external returns (uint256);
+
     /// Emitted when a successful call is made to this precompile
     event OwnerActs(bytes4 indexed method, address indexed owner, bytes data);
 }
diff --git a/package.json b/package.json
index c3326d7..b4ac888 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@arbitrum/nitro-precompile-interfaces",
-  "version": "5.0.0",
+  "version": "10.0.0",
   "description": "Solidity interfaces for Arbitrum Nitro precompiled contracts",
   "author": "Offchain Labs, Inc.",
   "license": "BUSL-1.1",