An aqueous pharmaceutical composition suitable for parenteral administration and having enhanced storage stability includes between about 0.1 mg/mL and about 40 mg/mL micafungin; (ii) between about 0.1 mM and 400 mM buffering agent; and (iii) between about 0 mg/mL and about 500 mg/mL tonicity adjusting agent, wherein the pH of the composition is between about 3.0 and 7.0, for example, between about 3.5 and 7.0.