The Security Settings page (under your account) is where you secure your own admin login. Its Change Password tab updates the password you use to sign in.

Change Your Password
Open Security Settings
Go to Security Settings and select the Change Password tab.
Enter your current password
Confirm it’s really you making the change.
Enter and confirm a new password
It must meet the strength rules shown on the form.
Save
Use your new password the next time you sign in.
Password rules
New passwords must be at least 8 characters and include an upper-case letter, a number, and a special character.
