diff --git a/anime_downloader/commands/dl.py b/anime_downloader/commands/dl.py
index cbb79d5..fd15e4a 100644
--- a/anime_downloader/commands/dl.py
+++ b/anime_downloader/commands/dl.py
@@ -33,7 +33,7 @@ sitenames = [v[1] for v in ALL_ANIME_SITES]
     '--download-dir', metavar='PATH',
     help="Specify the directory to download to")
 @click.option(
-    '--quality', '-q', type=click.Choice(['360p', '480p', '720p', '1080p']),
+    '--quality', '-q', type=click.Choice(['360p', '480p', '540p', '720p', '1080p']),
     help='Specify the quality of episode. Default-720p')
 @click.option(
     '--fallback-qualities', '-fq', cls=util.ClickListOption,
diff --git a/anime_downloader/sites/anime.py b/anime_downloader/sites/anime.py
index 34cdbbf..faa604c 100644
--- a/anime_downloader/sites/anime.py
+++ b/anime_downloader/sites/anime.py
@@ -23,7 +23,7 @@ class Anime:
     ----------
     url: string
         URL of the anime.
-    quality: One of ['360p', '480p', '720p', '1080p']
+    quality: One of ['360p', '480p', '540p', '720p', '1080p']
         Quality of episodes
     fallback_qualities: list
         The order of fallback.
@@ -44,7 +44,7 @@ class Anime:
     meta = dict()
     subclasses = {}
     subbed = None
-    QUALITIES = ['360p', '480p', '720p', '1080p']
+    QUALITIES = ['360p', '480p', '540p', '720p', '1080p']
 
     @classmethod
     def search(cls, query):
@@ -253,7 +253,7 @@ class AnimeEpisode:
     ----------
     url: string
         URL of the episode.
-    quality: One of ['360p', '480p', '720p', '1080p']
+    quality: One of ['360p', '480p', '540p', '720p', '1080p']
         Quality of episode
     fallback_qualities: list
         The order of fallback.