Putnam Target Date Funds N-CSR/A Certified annual shareholder report (management investment company) (amended)

Section 906 Certifications

I, Jonathan S. Horwitz, the Principal Executive Officer of the Funds listed on Attachment A, certify that, to my knowledge:

1. The form N-CSR of the Funds listed on Attachment A for the period ended July 31, 2023 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 Form N-CSR of the Funds listed on Attachment A for the period ended July 31, 2023 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.

Date: September 26, 2023

/s/ Jonathan S. Horwitz

______________________

Jonathan S. Horwitz

Principal Executive Officer

Section 906 Certifications

I, Janet C. Smith, the Principal Financial Officer of the Funds listed on Attachment A, certify that, to my knowledge:

1. The form N-CSR of the Funds listed on Attachment A for the period ended July 31, 2023 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 Form N-CSR of the Funds listed on Attachment A for the period ended July 31, 2023 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.

Date: September 26, 2023

/s/ Janet C. Smith

______________________

Janet C. Smith

Principal Financial Officer

Attachment A

Period (s) ended July 31, 2023

               Putnam Sustainable Retirement 2065 Fund

               Putnam Sustainable Retirement 2060 Fund

               Putnam Sustainable Retirement 2055 Fund

               Putnam Sustainable Retirement 2050 Fund

               Putnam Sustainable Retirement 2045 Fund

               Putnam Sustainable Retirement 2040 Fund

               Putnam Sustainable Retirement 2035 Fund

               Putnam Sustainable Retirement 2030 Fund

               Putnam Sustainable Retirement 2025 Fund

               Putnam Sustainable Retirement Maturity Fund