diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
new file mode 100644
index 00000000..15e3f9a6
--- /dev/null
+++ b/.github/dependabot.yaml
@@ -0,0 +1,7 @@
+---
+version: 2
+updates:
+  - package-ecosystem: docker
+    schedule:
+      interval: weekly
+      time: '02:00'
diff --git a/.github/workflows/clean-dockerhub-tag.yaml b/.github/workflows/clean-dockerhub-tag.yaml
index 5f3a7ab8..21f1f826 100644
--- a/.github/workflows/clean-dockerhub-tag.yaml
+++ b/.github/workflows/clean-dockerhub-tag.yaml
@@ -1,9 +1,7 @@
 ---
-
 name: Clean docker hub tags
 
-on:
-  delete
+on: delete
 
 jobs:
   clean:
diff --git a/.github/workflows/rebuild.yaml b/.github/workflows/rebuild.yaml
index 1473f396..7c92464a 100644
--- a/.github/workflows/rebuild.yaml
+++ b/.github/workflows/rebuild.yaml
@@ -1,10 +1,9 @@
 ---
-
 name: Rebuild
 
 on:
   schedule:
-    - cron: "30 2 * * *"
+    - cron: '30 2 * * *'
 
 jobs:
   main:
@@ -19,7 +18,7 @@ jobs:
           - master
           - '3.4'
           - '3.10'
-          - '3.12'
+          - '3.14'
 
     env:
       MAIN_BRANCH: master
diff --git a/Dockerfile b/Dockerfile
index 4c8dc02c..31d9a34a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,6 @@ FROM osgeo/gdal:ubuntu-small-3.1.1 as builder
 LABEL maintainer="info@camptocamp.com"
 
 RUN apt update && \
-    apt upgrade --assume-yes && \
     apt install --assume-yes --no-install-recommends apt-utils software-properties-common && \
     apt autoremove --assume-yes software-properties-common && \
     LC_ALL=C DEBIAN_FRONTEND=noninteractive apt install --assume-yes --no-install-recommends cmake gcc \
@@ -68,22 +67,23 @@ ENV APACHE_CONFDIR=/etc/apache2 \
     APACHE_LOG_DIR=/var/log/apache2 \
     LANG=C.UTF-8
 
-RUN apt-get update && \
-    apt-get install --assume-yes --no-install-recommends apt-utils software-properties-common && \
+RUN apt update && \
+    apt upgrade --assume-yes && \
+    apt install --assume-yes --no-install-recommends apt-utils software-properties-common && \
     apt autoremove --assume-yes software-properties-common && \
-    apt-get update && \
-    DEBIAN_FRONTEND=noninteractive apt-get install --assume-yes --no-install-recommends \
+    apt update && \
+    DEBIAN_FRONTEND=noninteractive apt install --assume-yes --no-install-recommends \
     libfcgi libgslcblas0 libqca-qt5-2 libqca-qt5-2-plugins libzip5 \
     libqt5opengl5 libqt5sql5-sqlite libqt5concurrent5 libqt5positioning5 libqt5script5 \
     libqt5webkit5 libqwt-qt5-6 libspatialindex6 libspatialite7 libsqlite3-0 libqt5keychain1 \
     python3 python3-pip python3-setuptools python3-pyqt5 python3-owslib python3-jinja2 python3-pygments \
-    python3-pyqt5.qtsql PyQt5.QtSvg \
+    python3-pyqt5.qtsql \
     spawn-fcgi xauth xfonts-100dpi xfonts-75dpi xfonts-base xfonts-scalable xvfb \
     apache2 libapache2-mod-fcgid \
     python3-pyqt5.qsci python3-pil python3-psycopg2 python3-shapely libpython3-dev \
     libqt5serialport5 libqt5quickwidgets5 libexiv2-27 libprotobuf17 libprotobuf-lite17 \
     libgsl23 && \
-    apt-get clean && \
+    apt clean && \
     rm -rf /var/lib/apt/lists/*
 
 # Be able to install font as nonroot
diff --git a/ci/clean-dockerhub-tag b/ci/clean-dockerhub-tag
index 69540eb9..bb6d91f2 100755
--- a/ci/clean-dockerhub-tag
+++ b/ci/clean-dockerhub-tag
@@ -14,16 +14,22 @@ def clean():
     token = requests.post(
         "https://hub.docker.com/v2/users/login/",
         headers={"Content-Type": "application/json"},
-        data=json.dumps({"username": os.environ["USERNAME"], "password": os.environ["PASSWORD"]}),
+        data=json.dumps(
+            {"username": os.environ["USERNAME"], "password": os.environ["PASSWORD"]}
+        ),
     ).json()["token"]
 
     with open(os.environ["GITHUB_EVENT_PATH"]) as event_file:
         ref = json.loads(event_file.read())["ref"]
 
+    ref = ref.replace("/", "_")
+
     print("Delete image 'camptocamp/qgis-server:{}'.".format(ref))
 
     response = requests.head(
-        "https://hub.docker.com/v2/repositories/camptocamp/qgis-server/tags/{tag}/".format(tag=ref),
+        "https://hub.docker.com/v2/repositories/camptocamp/qgis-server/tags/{tag}/".format(
+            tag=ref
+        ),
         headers={"Authorization": "JWT " + token},
     )
     if response.status_code == 404:
@@ -34,7 +40,9 @@ def clean():
         sys.exit(2)
 
     response = requests.delete(
-        "https://hub.docker.com/v2/repositories/camptocamp/qgis-server/tags/{tag}/".format(tag=ref),
+        "https://hub.docker.com/v2/repositories/camptocamp/qgis-server/tags/{tag}/".format(
+            tag=ref
+        ),
         headers={"Authorization": "JWT " + token},
     )
     if not response.ok:
diff --git a/ci/publish b/ci/publish
index ae62cbd7..75737b94 100755
--- a/ci/publish
+++ b/ci/publish
@@ -2,10 +2,7 @@
 
 if [ $# -gt 0 ]
 then
-  TAG="$1"
-elif [[ "${GITHUB_REF}" == "refs/heads/master" ]]
-then
-  TAG=latest
+  TAG="$1"  if
 elif [[ "${GITHUB_REF}" =~ ^refs/tags/.* ]]
 then
   TAG=$(echo "${GITHUB_REF}"|sed 's|^refs/tags/||g')