diff --git a/src/Vm.sol b/src/Vm.sol
index cd883706..c028bc80 100644
--- a/src/Vm.sol
+++ b/src/Vm.sol
@@ -430,6 +430,13 @@ interface VmSafe {
     /// Signs `digest` with `privateKey` using the secp256r1 curve.
     function signP256(uint256 privateKey, bytes32 digest) external pure returns (bytes32 r, bytes32 s);
 
+    /// Signs `digest` with `privateKey` on the secp256k1 curve, using the given `nonce`
+    /// as the raw ephemeral k value in ECDSA (instead of deriving it deterministically).
+    function signWithNonceUnsafe(uint256 privateKey, bytes32 digest, uint256 nonce)
+        external
+        pure
+        returns (uint8 v, bytes32 r, bytes32 s);
+
     /// Signs data with a `Wallet`.
     function sign(Wallet calldata wallet, bytes32 digest) external returns (uint8 v, bytes32 r, bytes32 s);
 
@@ -646,6 +653,10 @@ interface VmSafe {
     /// See https://github.com/foundry-rs/foundry/issues/6180
     function getChainId() external view returns (uint256 blockChainId);
 
+    /// Returns the test or script execution evm version.
+    /// **Note:** The execution evm version is not the same as the compilation one.
+    function getEvmVersion() external pure returns (string memory evm);
+
     /// Gets the map key and parent of a mapping at a given slot, for a given address.
     function getMappingKeyAndParentOf(address target, bytes32 elementSlot)
         external
@@ -681,6 +692,12 @@ interface VmSafe {
     /// Returns an array of `StorageAccess` from current `vm.stateStateDiffRecording` session
     function getStorageAccesses() external view returns (StorageAccess[] memory storageAccesses);
 
+    /// Returns an array of storage slots occupied by the specified variable.
+    function getStorageSlots(address target, string calldata variableName)
+        external
+        view
+        returns (uint256[] memory slots);
+
     /// Gets the gas used in the last call from the callee perspective.
     function lastCallGas() external view returns (Gas memory gas);
 
@@ -711,6 +728,10 @@ interface VmSafe {
         external
         returns (bytes memory data);
 
+    /// Set the exact test or script execution evm version, e.g. `berlin`, `cancun`.
+    /// **Note:** The execution evm version is not the same as the compilation one.
+    function setEvmVersion(string calldata evm) external;
+
     /// Records the debug trace during the run.
     function startDebugTraceRecording() external;
 
diff --git a/test/Vm.t.sol b/test/Vm.t.sol
index 1b99e3db..c0840d03 100644
--- a/test/Vm.t.sol
+++ b/test/Vm.t.sol
@@ -13,6 +13,6 @@ contract VmTest is Test {
     }
 
     function test_VmSafeInterfaceId() public pure {
-        assertEq(type(VmSafe).interfaceId, bytes4(0xe02727c3), "VmSafe");
+        assertEq(type(VmSafe).interfaceId, bytes4(0xc6a84458), "VmSafe");
     }
 }