diff --git a/beetsplug/lastgenre/__init__.py b/beetsplug/lastgenre/__init__.py
index 2f660206e..c3a4332bd 100644
--- a/beetsplug/lastgenre/__init__.py
+++ b/beetsplug/lastgenre/__init__.py
@@ -152,7 +152,7 @@ class LastGenrePlugin(plugins.BeetsPlugin):
             self._log.debug('Loading canonicalization tree {0}', c14n_filename)
             c14n_filename = normpath(c14n_filename)
             with codecs.open(c14n_filename, 'r', encoding='utf-8') as f:
-                genres_tree = yaml.load(f)
+                genres_tree = yaml.safe_load(f)
             flatten_tree(genres_tree, [], self.c14n_branches)
 
     @property
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 8b2375c6a..ea642e758 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -171,6 +171,10 @@ Fixes:
 * Fix several uses of deprecated standard-library features on Python 3.7.
   Thanks to :user:`arcresu`.
   :bug:`3197`
+* :doc:`/plugins/lastgenre`: Avoid a deprecation warning from the YAML
+  library.
+  Thanks to :user:`translit`.
+  :bug:`3192`
 
 .. _python-itunes: https://github.com/ocelma/python-itunes