You can easily update your password while you are logged into myTRIBUS.
Step 1: Login to myTRiBUS
Step 2: Select the bubble in the right-hand corner
Step 3: Select "my account"
The first tab you will be taken to is the "account & password" tab, which you will use to change your password.
Step 4: Type in your new password into the "password" section
Step 5: Select "update" to save your changes
Note: Be sure to save this password in a safe place in case you forget your password.