Cannot upgrade to 6.5

I upgraded 6.3.5 project to 6.4 by selecting Platform version in Project Properties. Updated database and everything is fine. But I cannot upgrade project to 6.5. There is no option available for selection in Platform version list (see sreenshot).
Please, help to resolve this issue.

Thanks

111

Probably you are using Studio version 6.4. Upgrade Studio to 6.5 first.

I use 6.5.4. See screenshot

123

Question closed. Needed to scroll up (small arrow in drop-down list).