diff --git a/.github/workflows/branch.yml b/.github/workflows/branch.yml
index 58fd3f42..3210b1b6 100644
--- a/.github/workflows/branch.yml
+++ b/.github/workflows/branch.yml
@@ -15,7 +15,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Testing Requirements
-        run: sudo pip install -r requirements-test.txt
+        run: |
+          sudo pip install -U pip setuptools wheel
+          sudo pip install -r requirements-test.txt
 
       - name: Lint
         run: openwisp-qa-check --skip-checkmigrations
diff --git a/docker-compose.yml b/docker-compose.yml
index 9eefb648..7ac6453a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -174,7 +174,7 @@ services:
       - NET_ADMIN
 
   postgres:
-    image: mdillon/postgis:11-alpine
+    image: postgis/postgis:12-3.4
     restart: always
     environment:
       - POSTGRES_DB=$DB_NAME
diff --git a/images/openwisp_base/Dockerfile b/images/openwisp_base/Dockerfile
index 2d0d5b94..e1d96a59 100644
--- a/images/openwisp_base/Dockerfile
+++ b/images/openwisp_base/Dockerfile
@@ -25,18 +25,18 @@ FROM system AS openwisp_python
 ENV PATH="${PATH}:/home/openwisp/.local/bin"
 ENV PYTHONPATH=/home/openwisp/.local/lib/python3.10/site-packages
 
-RUN pip install --no-cache-dir  --user --upgrade pip~=23.0.1
+RUN pip install --no-cache-dir --user --upgrade pip~=24.0.0
 # TODO: Remove when next version of openwisp-monitoring is released
-ARG OPENWISP_MONITORING_SOURCE=https://github.com/openwisp/openwisp-monitoring/tarball/15977c74b48d846ac469316abc7f13ccbef405f0
+ARG OPENWISP_MONITORING_SOURCE=https://github.com/openwisp/openwisp-monitoring/tarball/18cc5249de1f057554826f9d6e6ed8683e3f24bc
 # hadolint ignore=DL3013
 RUN pip install --no-cache-dir --user --upgrade ${OPENWISP_MONITORING_SOURCE}
-ARG OPENWISP_FIRMWARE_SOURCE=https://github.com/openwisp/openwisp-firmware-upgrader/tarball/9c7840c7436eb8b8cd5a63e83194041ccf887cd2
+ARG OPENWISP_FIRMWARE_SOURCE=https://github.com/openwisp/openwisp-firmware-upgrader/tarball/5a104a8f06fd566b9c09dddb93005f223df0bb47
 # hadolint ignore=DL3013
 RUN pip install --no-cache-dir --user --upgrade ${OPENWISP_FIRMWARE_SOURCE}
-ARG OPENWISP_TOPOLOGY_SOURCE=https://github.com/openwisp/openwisp-network-topology/tarball/ade4d5f844753879ccb54cce1d3528f17c55a490
+ARG OPENWISP_TOPOLOGY_SOURCE=https://github.com/openwisp/openwisp-network-topology/tarball/d150127e6ee244b2c25aa2d35f804d3d1124bde4
 # hadolint ignore=DL3013
 RUN pip install --no-cache-dir --user --upgrade ${OPENWISP_TOPOLOGY_SOURCE}
-ARG OPENWISP_RADIUS_SOURCE=https://github.com/openwisp/openwisp-radius/tarball/1a748466c269df3548557d9d42df6bb886da4f57
+ARG OPENWISP_RADIUS_SOURCE=https://github.com/openwisp/openwisp-radius/tarball/6a2d98861a8d43e7622d87f7e1af97503c2677f9
 # hadolint ignore=DL3013
 RUN pip install --no-cache-dir --user --upgrade ${OPENWISP_RADIUS_SOURCE}
 
@@ -49,7 +49,7 @@ RUN if [ "$OPENWISP_IPAM_SOURCE" != "default" ] ; then \
         pip install --no-cache-dir --user --upgrade ${OPENWISP_IPAM_SOURCE}; \
     fi
 # TODO: Remove when next version of openwisp-controller is released
-ARG OPENWISP_CONTROLLER_SOURCE=https://github.com/openwisp/openwisp-controller/tarball/3383bc11e5f8e9c89ebd9ac8aefa0066576d3133
+ARG OPENWISP_CONTROLLER_SOURCE=https://github.com/openwisp/openwisp-controller/tarball/1e641fe094838178556b4db09317065bd28c625c
 # hadolint ignore=DL3013
 RUN if [ "$OPENWISP_CONTROLLER_SOURCE" != "default" ] ; then \
         pip install --no-cache-dir --user --upgrade ${OPENWISP_CONTROLLER_SOURCE}; \
@@ -59,13 +59,13 @@ ARG OPENWISP_NOTIFICATION_SOURCE=default
 RUN if [ "$OPENWISP_NOTIFICATION_SOURCE" != "default" ] ; then \
         pip install --no-cache-dir --user --upgrade ${OPENWISP_NOTIFICATION_SOURCE}; \
     fi
-ARG OPENWISP_USERS_SOURCE=https://github.com/openwisp/openwisp-users/tarball/55023698cf39711585480be90c98d64ce5a04b8d
+ARG OPENWISP_USERS_SOURCE=https://github.com/openwisp/openwisp-users/tarball/8a39e488b0b955c7322f6df7927d2adb71ce7caf
 # hadolint ignore=DL3013
 RUN if [ "$OPENWISP_USERS_SOURCE" != "default" ] ; then \
         pip install --no-cache-dir --user --upgrade --force-reinstall ${OPENWISP_USERS_SOURCE}; \
     fi
 # TODO: Remove when next version of openwisp-utils is released
-ARG OPENWISP_UTILS_SOURCE="openwisp-utils[celery,rest] @ https://github.com/openwisp/openwisp-utils/tarball/9fd347fb861af674674a4bcc59c54bcdeef18b8c "
+ARG OPENWISP_UTILS_SOURCE="openwisp-utils[celery,rest] @ https://github.com/openwisp/openwisp-utils/tarball/1d3b00cbd8b36686a39b3f24c42667e6482197b2"
 # hadolint ignore=DL3013
 RUN if [ "$OPENWISP_UTILS_SOURCE" != "default" ] ; then \
         pip install --no-cache-dir --user --upgrade --force-reinstall "${OPENWISP_UTILS_SOURCE}"; \
@@ -76,7 +76,7 @@ RUN if [ "$DJANGO_X509_SOURCE" != "default" ]; then \
         pip install --no-cache-dir --user --upgrade --force-reinstall ${DJANGO_X509_SOURCE}; \
     fi
 
-ARG DJANGO_SOURCE=django~=4.0.10
+ARG DJANGO_SOURCE=django~=4.2.0
 # hadolint ignore=DL3013
 RUN pip install --no-cache-dir --user --upgrade ${DJANGO_SOURCE}
 
diff --git a/images/openwisp_freeradius/Dockerfile b/images/openwisp_freeradius/Dockerfile
index f94b71a6..ccc39680 100644
--- a/images/openwisp_freeradius/Dockerfile
+++ b/images/openwisp_freeradius/Dockerfile
@@ -1,8 +1,8 @@
 FROM freeradius/freeradius-server:3.0.26-alpine
 
 # hadolint ignore=DL3018
-RUN apk add --no-cache --update tzdata~=2022f-r1 postgresql-dev~=13.8-r0 \
-                                postgresql-client~=13.8-r0 && \
+RUN apk add --no-cache --update tzdata~=2022f-r1 \
+                                postgresql-client~=13.12-r0 && \
     rm -rf /var/cache/apk/* /tmp/*
 
 RUN addgroup -S freerad && \
diff --git a/images/openwisp_nfs/Dockerfile b/images/openwisp_nfs/Dockerfile
index dd16f082..124da3e9 100644
--- a/images/openwisp_nfs/Dockerfile
+++ b/images/openwisp_nfs/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:3.16
 
 # hadolint ignore=DL3018
 RUN apk add --no-cache --update --verbose \
-            tzdata~=2022f-r1 \
+            tzdata~=2024a-r0 \
             nfs-utils~=2.6.1-r1 && \
     rm -rf /var/cache/apk/* /tmp/*
 
diff --git a/images/openwisp_nginx/Dockerfile b/images/openwisp_nginx/Dockerfile
index 3e3ad8eb..62fd765f 100644
--- a/images/openwisp_nginx/Dockerfile
+++ b/images/openwisp_nginx/Dockerfile
@@ -1,7 +1,7 @@
 FROM nginx:1.23.3-alpine
 
 RUN apk add --update --no-cache \
-            openssl~=3.0.8-r0 \
+            openssl~=3.0.12-r5 \
             certbot~=1.32.0-r0 \
             certbot-nginx~=1.32.0-r0 && \
     rm -rf /var/cache/apk/* /tmp/*
diff --git a/images/openwisp_postfix/Dockerfile b/images/openwisp_postfix/Dockerfile
index 4c680d16..65d8262f 100644
--- a/images/openwisp_postfix/Dockerfile
+++ b/images/openwisp_postfix/Dockerfile
@@ -2,13 +2,13 @@ FROM alpine:3.16
 
 WORKDIR /opt/openwisp/
 RUN apk add --no-cache --upgrade \
-            openssl~=1.1.1t-r0 \
+            openssl~=1.1.1w-r1 \
             cyrus-sasl~=2.1.28-r1	\
             cyrus-sasl-login~=2.1.28-r1 && \
     apk add --no-cache \
-            postfix~=3.7.3-r0 \
+            postfix~=3.7.11-r0 \
             rsyslog~=8.2204.1-r0	 \
-            tzdata~=2022f-r1 && \
+            tzdata~=2024a-r0 && \
     rm -rf /tmp/* /var/cache/apk/*
 
 CMD ["sh", "init_command.sh"]
diff --git a/requirements-test.txt b/requirements-test.txt
index 088d6817..7e343905 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,3 +1,2 @@
 docker~=5.0.3
-selenium~=4.1.0
-openwisp-utils[qa] @ https://github.com/openwisp/openwisp-utils/tarball/master
+openwisp-utils[qa,selenium] @ https://github.com/openwisp/openwisp-utils/tarball/master