Expired Charles Proxy Root Certificate

To comply with Apple’s rules regarding MacOS and iOS certificate expiry dates, Charles’ root certificates have much shorter expiry dates (read article here). From version 4.6 of Charles onwards, new root certs will have a 1 year expiry, instead of the previous 50 year expiry date.


SSL error

When you open Charles you will see an error similar to the one shown here

MacOS Root Certificate

Replace expired MacOS root cert

  • On your Mac, open the Keychain application and search for “Charles Proxy”
  • Double click it to open
  • If it has expired, delete it and install a new one
  • If you are unsure how to install a new cert, follow the instructions here

iOS Root Certificate

Replace expired iOS root cert

  • On your iOS device, go to Settings -> General -> Profiles -> Tap the Charles cert -> Tap More Details -> Tap the cert again -> look for the “Not Valid After” date
  • If it has expired, delete it and install a new one
  • If you are unsure how to install a new cert, follow the instructions here

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