diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 68e73a1c8..4e1094306 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -38,7 +38,7 @@ services:
       MYSQL_USER: "mempool"
       MYSQL_PASSWORD: "mempool"
       MYSQL_ROOT_PASSWORD: "admin"
-    image: mariadb:10.5.8
+    image: mariadb:10.5.21
     user: "1000:1000"
     restart: on-failure
     stop_grace_period: 1m