Why Postman giving SSL error even the certificate date is valid?

Date of Post is 30 Sep 2021 .Postman is not giving any response when SSL is enabled while hitting a api, but showing response with disable SSL. But my question is, the TLS "authorizationError" ="CERT_HAS_EXPIRED" but "validTo:" "Dec 15 02:30:21 2021 GMT" still have date.Means still the certificate is in valid date.Thanks for the help

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You use let's encrypt. Normally the certificate would have expired today, but the have an extended period of live.

Postman has not updated our internal certificate store.