diff --git a/roles/mastodon/defaults/main.yml b/roles/mastodon/defaults/main.yml
index dc3ac0b..219e172 100644
--- a/roles/mastodon/defaults/main.yml
+++ b/roles/mastodon/defaults/main.yml
@@ -3,7 +3,7 @@ mastodon_user: mastodon
 mastodon_base_path: /opt/mastodon
 mastodon_domain: ~
 mastodon_web_domain: ~
-mastodon_version: "4.3.8"
+mastodon_version: "4.3.9"
 mastodon_git_upstream_url: "https://github.com/mastodon/mastodon.git"
 
 mastodon_data_path: "{{ mastodon_base_path }}/data"