diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ff8a95..c487ae9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -57,6 +57,7 @@ Rebasing master onto v3 doesn't require a changelog update.
 
 - Added examples for audiobooks, shows and episodes methods to examples directory
 - Use newer string formatters ([https://pyformat.info](https://pyformat.info))
+- Marked `recommendation_genre_seeds` as deprecated
 
 ### Fixed
 
diff --git a/spotipy/client.py b/spotipy/client.py
index da61db8..f7c368e 100644
--- a/spotipy/client.py
+++ b/spotipy/client.py
@@ -1435,6 +1435,11 @@ class Spotify:
         return self._get("recommendations", **params)
 
     def recommendation_genre_seeds(self):
+        warnings.warn(
+            "You're using `recommendation_genre_seeds(...)`, "
+            "which is marked as deprecated by Spotify.",
+            DeprecationWarning,
+        )
         """ Get a list of genres available for the recommendations function.
         """
         return self._get("recommendations/available-genre-seeds")