diff --git a/beetsplug/playlist.py b/beetsplug/playlist.py
index cb16fb5bc..7a27b02a3 100644
--- a/beetsplug/playlist.py
+++ b/beetsplug/playlist.py
@@ -12,16 +12,20 @@
 # included in all copies or substantial portions of the Software.
 
 
-import fnmatch
 import os
 import tempfile
 from collections.abc import Sequence
+from pathlib import Path
 
 import beets
 from beets.dbcore.query import BLOB_TYPE, InQuery
 from beets.util import path_as_posix
 
 
+def is_m3u_file(path: str) -> bool:
+    return Path(path).suffix.lower() in {".m3u", ".m3u8"}
+
+
 class PlaylistQuery(InQuery[bytes]):
     """Matches files listed by a playlist file."""
 
@@ -45,7 +49,7 @@ class PlaylistQuery(InQuery[bytes]):
 
         paths = []
         for playlist_path in playlist_paths:
-            if not fnmatch.fnmatch(playlist_path, "*.[mM]3[uU]"):
+            if not is_m3u_file(playlist_path):
                 # This is not am M3U playlist, skip this candidate
                 continue
 
@@ -148,7 +152,7 @@ class PlaylistPlugin(beets.plugins.BeetsPlugin):
             return
 
         for filename in dir_contents:
-            if fnmatch.fnmatch(filename, "*.[mM]3[uU]"):
+            if is_m3u_file(filename):
                 yield os.path.join(self.playlist_dir, filename)
 
     def update_playlist(self, filename, base_dir):
diff --git a/docs/changelog.rst b/docs/changelog.rst
index fb4434b66..ff4c63f4b 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -28,6 +28,8 @@ New features:
 * :doc:`plugins/duplicates`: Add ``--remove`` option, allowing to remove from
   the library without deleting media files.
   :bug:`5832`
+* :doc:`plugins/playlist`: Support files with the `.m3u8` extension.
+  :bug:`5829`
 
 Bug fixes: