diff --git a/mariadb/Dockerfile.ubuntu_bionic b/mariadb/Dockerfile.ubuntu_focal
similarity index 67%
rename from mariadb/Dockerfile.ubuntu_bionic
rename to mariadb/Dockerfile.ubuntu_focal
index 0b61e0fa..a72c8faa 100644
--- a/mariadb/Dockerfile.ubuntu_bionic
+++ b/mariadb/Dockerfile.ubuntu_focal
@@ -1,10 +1,10 @@
-# mariadb:10.5.3-bionic
-ARG FROM=docker.io/mariadb@sha256:bd5b3470601aa4a28132ec60a8b1c33516d09a1391864fe1dbf82a4030397fd1
+# mariadb:10.5.9-focal
+ARG FROM=docker.io/mariadb@sha256:7e244fae615587335176db07e88b43eee5e4762f35306e17c13c68125d93b9bf
 FROM ${FROM}
 
 RUN set -ex ;\
-    apt-get update ;\
-    apt-get install -y --no-install-recommends \
+    apt update ;\
+    apt install -y --no-install-recommends \
         python3-pip ;\
     pip3 --no-cache-dir install --upgrade pip ;\
     hash -r ;\
@@ -14,7 +14,7 @@ RUN set -ex ;\
       iso8601 \
       kubernetes \
       pykube-ng ;\
-    apt-get clean -y ;\
+    apt clean -y ;\
     rm -rf \
        /var/cache/debconf/* \
        /var/lib/apt/lists/* \
diff --git a/zuul.d/mariadb.yaml b/zuul.d/mariadb.yaml
index 8ee40bff..29d8e009 100644
--- a/zuul.d/mariadb.yaml
+++ b/zuul.d/mariadb.yaml
@@ -37,13 +37,14 @@
     description: Build mariadb images
     vars: &mariadb_vars
       currentdate: "{{ now(utc=True,fmt='%Y%m%d') }}"
+      release: "focal"
       docker_images:
         - context: mariadb
           repository: openstackhelm/mariadb
-          dockerfile: Dockerfile.ubuntu_xenial
+          dockerfile: Dockerfile.ubuntu_{{ release }}
           tags:
-            - latest-ubuntu_xenial
-            - "ubuntu_xenial-{{ currentdate }}"
+            - "latest-ubuntu_{{ release }}"
+            - "ubuntu_{{ release }}-{{ currentdate }}"
     files: &mariadb_files
       - mariadb/.*
       - zuul.d/mariadb.yaml