# Any chance to sign with SHA1?

**URL:** <https://www.finalbuilder.com/forums/t/any-chance-to-sign-with-sha1/7739>\
**Category:** Discussions\
**Created:** [November 5, 2025, 12:50pm UTC](https://www.finalbuilder.com/forums/t/any-chance-to-sign-with-sha1/7739 "2025-11-05T12:50:57Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Sparky](https://www.finalbuilder.com/forums/user_avatar/www.finalbuilder.com/sparky/32/10_2.png) [@Sparky](https://www.finalbuilder.com/forums/u/Sparky)\
**Post date:** [November 11, 2025, 6:11am UTC](https://www.finalbuilder.com/forums/t/any-chance-to-sign-with-sha1/7739/3 "2025-11-11T06:11:59Z")

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Hi Uwe,

[Version 1.1.0.55](https://www.finalbuilder.com/forums/t/signotaur-v1-1-0-55-released/7740) adds a `--sha1|--add-sha1-signature` command line option to allow dual-signing with an additional SHA-1 signature for legacy Windows versions.

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_[View the full topic](https://www.finalbuilder.com/forums/t/any-chance-to-sign-with-sha1/7739)._