# Installing contracts using forge install
**URL:** https://forum.openzeppelin.com/t/installing-contracts-using-forge-install/38027
**Category:** Upgrades
**Created:** [October 6, 2023, 7:46pm UTC](https://forum.openzeppelin.com/t/installing-contracts-using-forge-install/38027 "2023-10-06T19:46:27Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@Ibrahim96](https://forum.openzeppelin.com/u/Ibrahim96)
#### Post date: [October 6, 2023, 7:46pm UTC](https://forum.openzeppelin.com/t/installing-contracts-using-forge-install/38027/1 "2023-10-06T19:46:27Z")
Hey y'all,
I'm trying to install [openzeppelin-contracts-upgradeable](https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable) & \* [openzeppelin-contracts](https://github.com/OpenZeppelin/openzeppelin-contracts) using forge.
**Installation:**
```auto
forge install OpenZeppelin/openzeppelin-contracts-upgradeable
forge install OpenZeppelin/openzeppelin-contracts
```
**foundry.toml:**
```auto
remappings = [
'@openzeppelin/=lib/@openzeppelin-contracts/',
'@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/',
]
```
Is there someone who can help me import the following contracts/utils please?
```auto
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
<------------------------------------------------------------------------------->
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts/proxy/Clones.sol";
```
CC: @ernestognw
---
### Author:  [@ericglau](https://forum.openzeppelin.com/u/ericglau)
#### Post date: [October 6, 2023, 9:38pm UTC](https://forum.openzeppelin.com/t/installing-contracts-using-forge-install/38027/2 "2023-10-06T21:38:58Z")
Change your remappings in foundry.toml to the following instead:
```auto
remappings = [
'@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/',
'@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/'
]
```
* * *
EDIT: The following works better for Etherscan source code verification. Note that this would mean both `@openzeppelin/contracts/` and `@openzeppelin/contracts-upgradeable/` are coming from the `openzeppelin-contracts-upgradeable` submodule and its subdirectories (which includes its own transitive copy of `openzeppelin-contracts` of the same release version number). Particularly, any `openzeppelin-contracts` that you also have installed separately is NOT used.
foundry.toml:
```auto
remappings = [
'@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/',
'@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/'
]
```
or remappings.txt:
```auto
@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/
@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/
```
---
### Author:  [@Ibrahim96](https://forum.openzeppelin.com/u/Ibrahim96)
#### Post date: [October 7, 2023, 12:58am UTC](https://forum.openzeppelin.com/t/installing-contracts-using-forge-install/38027/3 "2023-10-07T00:58:29Z")
> [@ericglau](#):
>
> ```auto
> '@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/',
> '@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/'
>
> ```
Seems like it works well; Except for those imports! I'll debug and update
```auto
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
```
**UPDATE:**
These two contracts have different import paths from previous openZeppelin versions (4.7.1)
```auto
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/Pausable.sol";
```
I'm guessing SafeMath.sol no longer available?
---
### Author:  [@ericglau](https://forum.openzeppelin.com/u/ericglau)
#### Post date: [October 7, 2023, 4:10pm UTC](https://forum.openzeppelin.com/t/installing-contracts-using-forge-install/38027/4 "2023-10-07T16:10:24Z")
Yes, some of the paths have changed and SafeMath.sol was removed in 5.0.0. See [https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v5.0.0](https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v5.0.0)
---
### Author:  [@luislucena](https://forum.openzeppelin.com/u/luislucena)
#### Post date: [February 2, 2024, 7:46am UTC](https://forum.openzeppelin.com/t/installing-contracts-using-forge-install/38027/6 "2024-02-02T07:46:52Z")
exactly! @Ibrahim96 you can use `Math` library and see the functions, some were renamed and improved!
@ericglau exactly! your remapping works fine, but I add here the command to run it and make it work:
` forge install OpenZeppelin/openzeppelin-contracts@v5.0.1 --no-commit`
just a little extra info in case anyone sees it! that worked for me too!