diff --git a/Dockerfile b/Dockerfile
index 59e59a6..51b1254 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ ARG KNOWN_HOSTS="bitbucket.org github.com gitlab.com"
 #ejs <% } _%>
 ARG NODE_VERSION=lts
 #ejs <% if (mariadb) { _%>
-ARG MARIADB_VERSION=10
+ARG MARIADB_VERSION=11
 #ejs <% } _%>
 
 ###############################################################################
diff --git a/README.md b/README.md
index 13a9d27..e1ac67d 100644
--- a/README.md
+++ b/README.md
@@ -252,7 +252,7 @@ Summary of variables, where they should be defined, and their default values:
       <td><code>MARIADB_VERSION</code></td>
       <td align="center">✅</td>
       <td align="center">❌</td>
-      <td>10</td>
+      <td>11</td>
     </tr>
     <tr>
       <td><code>DATABASE_URL</code></td>
diff --git a/docker-compose.yml b/docker-compose.yml
index 6372c41..11699d6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -44,7 +44,7 @@ services:
         build:
             context: ./
             args:
-                MARIADB_VERSION: ${MARIADB_VERSION:-10}
+                MARIADB_VERSION: ${MARIADB_VERSION:-11}
         volumes:
             - db_data:/var/lib/mysql
     #ejs <%_ } %>