diff --git a/roles/unifi_controller/defaults/main/main.yml b/roles/unifi_controller/defaults/main/main.yml
index 2aeda9c..ce6fc88 100644
--- a/roles/unifi_controller/defaults/main/main.yml
+++ b/roles/unifi_controller/defaults/main/main.yml
@@ -1,5 +1,5 @@
 ---
-unifi_controller_version: "9.4.19"
+unifi_controller_version: "9.5.21"
 unifi_controller_base_path: "/var/lib/unifi-controller"
 unifi_controller_log_path: "{{ unifi_controller_base_path }}/log"
 unifi_controller_data_path: "{{ unifi_controller_base_path }}/data"