You can change your profile image by clicking the pencil button on the right side of your current profile image. A pop-up window will appear and clicking on the edit button will allow you to upload a new profile image.
You will be given the option to either upload a profile photo or select one from your library.
Note: If changes don’t apply, clear your cache and cookies in browser settings. File uploaded has to be JPG/JPEG, to avoid automatic resizing upload a custom photo at 500px x 500px resolution.