diff --git a/service/mariadb/Containerfile b/service/mariadb/Containerfile
index 3658ee9..7b73591 100644
--- a/service/mariadb/Containerfile
+++ b/service/mariadb/Containerfile
@@ -1,2 +1,3 @@
 FROM docker.io/mariadb:10.11@sha256:c19965acfdad93c2b2303d5f8fe6d8647875ad6ade51b24dba6de990acc415e7
+ENV MARIADB_AUTO_UPGRADE=1
 USER mysql