Practice question

A 72-year-old man with a history of stable angina is reviewed. He takes aspirin 75mg OD, bisoprolol 5mg OD, atorvastatin 40mg ON, and GTN spray PRN. His angina is well-controlled on minimal exertion (CCS Class I). His recent lipid profile shows Total Cholesterol 4.1 mmol/L, LDL-C 2.2 mmol/L, HDL-C 1.1 mmol/L, Triglycerides 1.5 mmol/L. His BP is 135/80 mmHg. According to NICE CG181, what is the most appropriate adjustment to his lipid-lowering therapy?