A 45 year old woman with long standing hypertension and diabetes presents for routine follow up. Her 10 year atherosclerotic cardiovascular disease risk is calculated at 18 percent. She is taking maximally tolerated high intensity statin therapy with atorvastatin 80 mg daily. Her LDL cholesterol remains 110 mg per dL. According to current lipid management recommendations for high risk patients, what is the next best step?