diff --git a/.ci/functional-tests.yml b/.ci/functional-tests.yml
index 1c479918b..706a8c5d7 100644
--- a/.ci/functional-tests.yml
+++ b/.ci/functional-tests.yml
@@ -2,15 +2,18 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 .app-server:
-  needs:
-    - job: build
+  stage: functional-tests
+  dependencies: []
   except:
-    - '$CI_COMMIT_TITLE =~ /^Weblate.*/'
+    - $GITLAB_USER_LOGIN == "weblate"
   script:
-    - BUILD_JOB_ID=$(curl -s "https://salsa.debian.org/api/v4/projects/$CI_PROJECT_ID/pipelines/$CI_PIPELINE_ID/jobs" | jq -r '.[] | select(.name=="build") | .id')
+    - BUILD_JOB_ID=$(curl -s "https://salsa.debian.org/api/v4/projects/$CI_PROJECT_ID/pipelines/$CI_PIPELINE_ID/jobs?scope[]=success" | jq -r '.[] | select(.name==env.BUILD_JOB_NAME) | .id')
     - export AWS_DEFAULT_REGION=us-east-1
     - LAUNCH_TEMPLATE_ID=$(aws ec2 describe-launch-templates --launch-template-names $LAUNCH_TEMPLATE_NAME | jq -r ".LaunchTemplates[0].LaunchTemplateId")
-    - INSTANCE_ID=$(aws ec2 run-instances --launch-template LaunchTemplateId="$LAUNCH_TEMPLATE_ID" --associate-public-ip-address --tag-specifications "ResourceType=instance, Tags=[{Key=salsa:project-id,Value=$CI_PROJECT_ID},{Key=salsa:build-job-id,Value=$BUILD_JOB_ID},{Key=Name,Value=$INSTANCE_NAME}]" | jq -r ".Instances[0].InstanceId")
+    - |
+      INSTANCE_ID=$(aws ec2 run-instances --launch-template LaunchTemplateId="$LAUNCH_TEMPLATE_ID" --associate-public-ip-address \
+        --tag-specifications "ResourceType=instance, Tags=[{Key=salsa:project-id,Value=$CI_PROJECT_ID},{Key=salsa:build-job-id,Value=$BUILD_JOB_ID},{Key=Name,Value=$INSTANCE_NAME}]" | \
+        jq -r ".Instances[0].InstanceId")
     - APP_SERVER_IP=$(aws ec2 describe-instances --instance-ids $INSTANCE_ID | jq -r ".Reservations[0].Instances[0].PublicIpAddress")
     - echo "APP_SERVER_IP=$APP_SERVER_IP" >> app-servers.env
     - echo "INSTANCE_ID=$INSTANCE_ID" >> app-servers.env
@@ -21,10 +24,8 @@
       dotenv: app-servers.env
 
 .run-functional-tests:
-  needs:
-    - job: app-server-unstable
-      artifacts: true
-  timeout: 2h
+  stage: functional-tests
+  timeout: 150m
   # Need to find a way of running the cleanup step even on failure
   allow_failure: true
   when: delayed
@@ -38,7 +39,9 @@
   script:
     - cp -r . /home/tester/freedombox && chown -R tester:tester /home/tester/freedombox
     - sudo -u tester bash -c 'pip3 install --user splinter pytest-splinter pytest-reporter-html1'
-    - sudo FREEDOMBOX_URL="https://$APP_SERVER_IP" -u tester bash -c 'cd /home/tester/freedombox && py.test-3 -v --durations=10 --include-functional --splinter-headless --template=html1/index.html --report=functional-tests.html'
+    - |
+      sudo FREEDOMBOX_URL="https://$APP_SERVER_IP" -u tester bash -c \
+        'cd /home/tester/freedombox && py.test-3 -v --durations=10 --include-functional --splinter-headless --template=html1/index.html --report=functional-tests.html'
   after_script:
     - echo "INSTANCE_ID=$INSTANCE_ID" >> app-servers.env
     - cp /home/tester/freedombox/functional-tests.html .
@@ -53,6 +56,7 @@
 
 # Does not run if the previous job times out or is cancelled
 .terminate-app-server:
+  stage: functional-tests
   script:
     - aws ec2 --region us-east-1 terminate-instances --instance-ids $INSTANCE_ID > /dev/null
   tags:
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8ddba4334..4da5bb988 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,6 +8,7 @@ image: registry.salsa.debian.org/freedombox-team/freedombox:gitlabci
 stages:
   - provisioning
   - build
+  - functional-tests
   - publish
   - test
 
@@ -43,10 +44,30 @@ doc-tests:
   script:
     - doc/scripts/wikiparser.py
 
+app-server-stable:
+  variables:
+    LAUNCH_TEMPLATE_NAME: functional-tests-stable
+    INSTANCE_NAME: app-server-stable
+    BUILD_JOB_NAME: build-backports
+  extends: .app-server
+
+run-functional-tests-stable:
+  needs:
+    - job: app-server-stable
+      artifacts: true
+  extends: .run-functional-tests
+
+terminate-app-server-stable:
+  needs:
+    - job: run-functional-tests-stable
+      artifacts: true
+  extends: .terminate-app-server
+
 app-server-testing:
   variables:
     LAUNCH_TEMPLATE_NAME: functional-tests-testing
     INSTANCE_NAME: app-server-testing
+    BUILD_JOB_NAME: build
   extends: .app-server
 
 run-functional-tests-testing:
@@ -65,6 +86,7 @@ app-server-unstable:
   variables:
     LAUNCH_TEMPLATE_NAME: functional-tests-unstable
     INSTANCE_NAME: app-server-unstable
+    BUILD_JOB_NAME: build
   extends: .app-server
 
 run-functional-tests-unstable:
@@ -85,6 +107,11 @@ extract-source:
 build:
     extends: .build-package
 
+build-backports:
+    extends: .build-package
+    variables:
+      RELEASE: bullseye-backports
+
 build i386:
     extends: .build-package-i386
 
@@ -123,3 +150,4 @@ rc-bugs:
 
 aptly:
     extends: .publish-aptly
+