diff --git a/ethers-contract/src/multicall/multicall_contract.rs b/ethers-contract/src/multicall/multicall_contract.rs
index 661ac998..d3a15266 100644
--- a/ethers-contract/src/multicall/multicall_contract.rs
+++ b/ethers-contract/src/multicall/multicall_contract.rs
@@ -8,6 +8,22 @@ pub mod multicall_3 {
     mod ethers_contract {
         pub use crate::*;
     }
+
+    // This is a hack to guarantee all ethers-derive macros can find the types.
+    // See [`ethers_core::macros::determine_ethers_crates`]
+    #[doc(hidden)]
+    mod ethers {
+        pub mod core {
+            pub use ethers_core::*;
+        }
+        pub mod contract {
+            pub use crate::*;
+        }
+        pub mod providers {
+            pub use ethers_providers::*;
+        }
+    }
+
     use self::ethers_contract::{
         builders::{ContractCall, Event},
         Contract, Lazy,
@@ -17,6 +33,7 @@ pub mod multicall_3 {
         types::*,
     };
     use ethers_providers::Middleware;
+
     #[doc = "Multicall3 was auto-generated with ethers-rs Abigen. More information at: https://github.com/gakonst/ethers-rs"]
     use std::sync::Arc;
     # [rustfmt :: skip] const __ABI : & str = "[{\"type\":\"function\",\"name\":\"aggregate\",\"inputs\":[{\"internalType\":\"struct Multicall3.Call[]\",\"name\":\"calls\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"address\"},{\"type\":\"bytes\"}]}],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"blockNumber\",\"type\":\"uint256\"},{\"internalType\":\"bytes[]\",\"name\":\"returnData\",\"type\":\"bytes[]\"}],\"stateMutability\":\"payable\"},{\"type\":\"function\",\"name\":\"aggregate3\",\"inputs\":[{\"internalType\":\"struct Multicall3.Call3[]\",\"name\":\"calls\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"address\"},{\"type\":\"bool\"},{\"type\":\"bytes\"}]}],\"outputs\":[{\"internalType\":\"struct Multicall3.Result[]\",\"name\":\"returnData\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"bool\"},{\"type\":\"bytes\"}]}],\"stateMutability\":\"payable\"},{\"type\":\"function\",\"name\":\"aggregate3Value\",\"inputs\":[{\"internalType\":\"struct Multicall3.Call3Value[]\",\"name\":\"calls\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"address\"},{\"type\":\"bool\"},{\"type\":\"uint256\"},{\"type\":\"bytes\"}]}],\"outputs\":[{\"internalType\":\"struct Multicall3.Result[]\",\"name\":\"returnData\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"bool\"},{\"type\":\"bytes\"}]}],\"stateMutability\":\"payable\"},{\"type\":\"function\",\"name\":\"blockAndAggregate\",\"inputs\":[{\"internalType\":\"struct Multicall3.Call[]\",\"name\":\"calls\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"address\"},{\"type\":\"bytes\"}]}],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"blockNumber\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"struct Multicall3.Result[]\",\"name\":\"returnData\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"bool\"},{\"type\":\"bytes\"}]}],\"stateMutability\":\"payable\"},{\"type\":\"function\",\"name\":\"getBasefee\",\"inputs\":[],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"basefee\",\"type\":\"uint256\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getBlockHash\",\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"blockNumber\",\"type\":\"uint256\"}],\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getBlockNumber\",\"inputs\":[],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"blockNumber\",\"type\":\"uint256\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getChainId\",\"inputs\":[],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"chainid\",\"type\":\"uint256\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getCurrentBlockCoinbase\",\"inputs\":[],\"outputs\":[{\"internalType\":\"address\",\"name\":\"coinbase\",\"type\":\"address\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getCurrentBlockDifficulty\",\"inputs\":[],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"difficulty\",\"type\":\"uint256\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getCurrentBlockGasLimit\",\"inputs\":[],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"gaslimit\",\"type\":\"uint256\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getCurrentBlockTimestamp\",\"inputs\":[],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"timestamp\",\"type\":\"uint256\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getEthBalance\",\"inputs\":[{\"internalType\":\"address\",\"name\":\"addr\",\"type\":\"address\"}],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"balance\",\"type\":\"uint256\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"getLastBlockHash\",\"inputs\":[],\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\"},{\"type\":\"function\",\"name\":\"tryAggregate\",\"inputs\":[{\"internalType\":\"bool\",\"name\":\"requireSuccess\",\"type\":\"bool\"},{\"internalType\":\"struct Multicall3.Call[]\",\"name\":\"calls\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"address\"},{\"type\":\"bytes\"}]}],\"outputs\":[{\"internalType\":\"struct Multicall3.Result[]\",\"name\":\"returnData\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"bool\"},{\"type\":\"bytes\"}]}],\"stateMutability\":\"payable\"},{\"type\":\"function\",\"name\":\"tryBlockAndAggregate\",\"inputs\":[{\"internalType\":\"bool\",\"name\":\"requireSuccess\",\"type\":\"bool\"},{\"internalType\":\"struct Multicall3.Call[]\",\"name\":\"calls\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"address\"},{\"type\":\"bytes\"}]}],\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"blockNumber\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"struct Multicall3.Result[]\",\"name\":\"returnData\",\"type\":\"tuple[]\",\"components\":[{\"type\":\"bool\"},{\"type\":\"bytes\"}]}],\"stateMutability\":\"payable\"}]" ;