Impact of Increased Volatility on Call Option Value

A trader is analyzing a European call option on a stock that is currently trading at $50. The option has a strike price of $55 and expires in 1 year. The risk-free interest rate is 5% per annum, and the stock's volatility is estimated to be 20% per annum. Using the Black-Scholes model, the trader calculates the option's price. However, they want to understand how changes in volatility would affect the option's price. Which of the following statements is correct regarding the impact of increased volatility on the value of the call option?