EXHIBIT 23

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Consent of Independent Registered Public Accounting Firm

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We consent to the incorporation by reference in the registration statement on Form S-8, of our report dated March 24, 2023 of Generations Bancorp NY, Inc. relating to the consolidated financial statements as of and for the year ended December 31, 2022, which report appears in this Annual Report on Form 10-K.

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/s/ Bonadio & Co., LLP

Syracuse, New York

March 24, 2023