The present study was conducted with the aim of investigating the effect of using podcasts on the speaking skills of advanced English language students. The participants of this research are language learners of a reputable language school in Tabriz who participated in summer English language courses. There were 60 people in the sample who were divided in two groups, 30 students were in the control group and 30 students were in the experimental group. The research type was mixed method, with pre-test, post-test, and semi-structured interview method. According to the obtained results, it was found that using solo podcasts noticibaly increased the speech length of students and also made it more organized in content at advanced levels.