diff --git a/docs/installation.rst b/docs/installation.rst
index b67556e..f8011a8 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -20,6 +20,7 @@ Add ``djangocms_blog`` and its dependencies to INSTALLED_APPS::
         'taggit',
         'taggit_autosuggest',
         'meta',
+        'sortedm2m',
         'djangocms_blog',
         ...
     ]