# Cannot deploy a new contract with fuels-rs 0.66.2 node 0.33.0 forc 0.63.1

**URL:** <https://forum.fuel.network/t/cannot-deploy-a-new-contract-with-fuels-rs-0-66-2-node-0-33-0-forc-0-63-1/6511>\
**Category:** Rust SDK\
**Created:** [August 22, 2024, 9:45am UTC](https://forum.fuel.network/t/cannot-deploy-a-new-contract-with-fuels-rs-0-66-2-node-0-33-0-forc-0-63-1/6511 "2024-08-22T09:45:46Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![naz3eh](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.fuel.network/naz3eh/32/2025_2.png) [@naz3eh](https://forum.fuel.network/u/naz3eh)\
**Post date:** [August 22, 2024, 1:06pm UTC](https://forum.fuel.network/t/cannot-deploy-a-new-contract-with-fuels-rs-0-66-2-node-0-33-0-forc-0-63-1/6511/2 "2024-08-22T13:06:33Z")

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Can you please try deploying using fuel-core `0.34.0`? Please follow [these steps](https://forum.fuel.network/t/fuel-testnet-node-startup-problem/6500/3) to upgrade the toolchain

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