EX-32.1 6 ex_867365.htm EXHIBIT 32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of BIO-key International, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2025, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael W. DePasquale, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

| (1) | The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

| (2) | The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

| BIO-KEY INTERNATIONAL, INC.
| By: | /s/ Michael W. DePasquale
|  | Michael W. DePasquale
|  | Chief Executive Officer
| Dated: June 12, 2026