According to the medical association healthy blood pressure in adults should be 120/80. Blood pressure between 120/80 and 140/90 is normal. Anything more or less should be discussed with a doctor.
According to the American Heart Association, they recently changed their standard for what is considered as high blood pressure for people over the age of 60 to 150/90. So now based on the new standard, you are be fine. However, if you are still concerned, please go seek medical advice like to your a doctor or a cardiologist.