diff --git a/workflow-templates/inginious-task-tester-container-builder.py b/workflow-templates/inginious-task-tester-container-builder.py
new file mode 100644
index 0000000..8329398
--- /dev/null
+++ b/workflow-templates/inginious-task-tester-container-builder.py
@@ -0,0 +1,17 @@
+#! /bin/env python3
+
+import subprocess
+import os
+
+containers = os.environ.get('REQUIRED', 'base').split(' ')
+container_names = []
+for container in containers:
+    container_name = 'ingi/inginious-c-%s:latest' % container
+    container_names.append(container_name)
+    subprocess.run('docker build -t {container_name} {base_dir}/{sub_dir}/{container}'.format(
+        container_name=container_name,
+        container=container,
+        base_dir='${INGINIOUS}' if container == 'base' else '${CONTAINERS}',
+        sub_dir='base-containers' if container == 'base' else 'grading'),
+    shell=True)
+subprocess.run('docker save %s -o ${INGINIOUS_IMAGES}' % ' '.join(container_names), shell=True)
diff --git a/workflow-templates/inginious-task-tester.env.tmpl b/workflow-templates/inginious-task-tester.env.tmpl
new file mode 100644
index 0000000..1ad8bb8
--- /dev/null
+++ b/workflow-templates/inginious-task-tester.env.tmpl
@@ -0,0 +1,3 @@
+REQUIRED=base cpp pyjavacpp
+PLUGIN_URLS=git+https://github.com/CNP3/INGInious-problems-network-trace git+https://github.com/UCL-INGI/INGInious-problems-math
+PLUGIN_NAMES=inginious-problems-network-trace inginious_problems_math
diff --git a/workflow-templates/inginious-task-tester.properties.json b/workflow-templates/inginious-task-tester.properties.json
new file mode 100644
index 0000000..b25961d
--- /dev/null
+++ b/workflow-templates/inginious-task-tester.properties.json
@@ -0,0 +1,6 @@
+{
+    "name": "INGInious task tester",
+    "description": "Replay old submissions to ensure that the tasks behavior is unchanged",
+    "categories": [ "CI" ],
+    "filesPatterns": [ ".github/workflows/inginious-task-tester.env" ]
+}
diff --git a/workflow-templates/inginious-task-tester.yml b/workflow-templates/inginious-task-tester.yml
new file mode 100644
index 0000000..56834de
--- /dev/null
+++ b/workflow-templates/inginious-task-tester.yml
@@ -0,0 +1,147 @@
+# This is a basic workflow to help you get started with Actions
+
+name: INGInious tasks tester
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
+  push:
+    branches: [ $default-branch ]
+  pull_request:
+    branches: [ $default-branch ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+env:
+  INGINIOUS: /home/runner/INGInious
+  CONTAINERS: /home/runner/containers
+  CONFIG_FILE: ${GITHUB_WORKSPACE}/.github/workflows/inginious-task-tester.env
+  INGINIOUS_IMAGES: /home/runner/inginious-images.tar
+  PYTHON_VER: 3.11
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  submissions_rerun:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-20.04
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v3
+
+      # Add REPO_NAME in env variables
+      - name: Setup repo name as env variable
+        run: echo "REPO_NAME=${{ github.event.repository.name }}" >> $GITHUB_ENV
+        
+      - name: Load workflow config
+        run: |
+          cat ${{ env.CONFIG_FILE }} >> $GITHUB_ENV
+          echo ${GITHUB_ENV}
+            
+      # Get INGInious source code
+      - name: Cache INGInious install
+        id: cache-inginious
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.INGINIOUS }}
+          key: ${{ runner.os }}-inginious
+      
+      - name: Get INGInious
+        if: steps.cache-inginious.outputs.cache-hit != 'true'
+        run: git clone https://github.com/UCL-INGI/INGInious.git ${INGINIOUS}
+        
+      # Get INGInious containers
+      - name: Cache INGInious containers
+        id: cache-inginious-containers
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.CONTAINERS }}
+          key: ${{ runner.os }}-inginious-containers
+        
+      - name: Get INGInious containers
+        if: steps.cache-inginious-containers.outputs.cache-hit != 'true'
+        run: git clone https://github.com/UCL-INGI/INGInious-containers ${CONTAINERS}
+          
+      # Get APT dependencies
+      # see https://github.com/actions/cache/issues/324
+      - name: "[TMP] Chown APT cache"
+        if: steps.cache-apt.outputs.cache-hit != 'true'
+        run: sudo chown ${USER}:${USER} -R /var/cache/apt
+      
+      - name: Cache APT
+        id: cache-apt
+        uses: actions/cache@v3
+        with:
+          path: /var/cache/apt
+          key: ${{ runner.os }}-apt
+
+      # see https://github.com/actions/cache/issues/324
+      - name: Install APT dependencies
+        if: steps.cache-apt.outputs.cache-hit != 'true'
+        run: |
+          sudo apt-get install -y libtidy5deb1 libzmq3-dev
+          sudo chown ${USER}:${USER} -R /var/cache/apt
+      
+      # Add python3.11 because the syntax "tuple[type, type]" is not supported by the shipped python version
+      - name: Add Python3.11
+        if: steps.cache-apt.outputs.cache-hit != 'true'
+        run: |
+          sudo apt install -y software-properties-common
+          sudo add-apt-repository ppa:deadsnakes/ppa
+          sudo apt update
+          sudo apt-get install -y python${{env.PYTHON_VER}} python${{env.PYTHON_VER}}-venv
+          python${{env.PYTHON_VER}} -m ensurepip --upgrade
+      
+      # Get PIP dependencies
+      - name: Cache PIP
+        id: cache-pip
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/pip
+            ~/.local/lib/python${{env.PYTHON_VER}}
+          key: ${{ runner.os }}-pip
+
+      - name: Install PIP dependencies and INGInious
+        if: steps.cache-pip.outputs.cache-hit != 'true'
+        run: |
+          pip${{env.PYTHON_VER}} install --user nose==1.3.7 selenium==3.141.0 coverage pyvirtualdisplay pytest 
+          pip${{env.PYTHON_VER}} install --user ${INGINIOUS}
+          if [[ ! -z ${PLUGIN_URLS} ]]; then pip${{env.PYTHON_VER}} install --upgrade ${PLUGIN_URLS}; fi
+          pip${{env.PYTHON_VER}} install --user --upgrade markupsafe==2.0.1
+          
+      - name: Start services
+        run: |
+          sudo systemctl start mongod
+          sudo systemctl start docker
+      
+      - name: Install INGInious
+        if: steps.cache-inginious.outputs.cache-hit != 'true'
+        run: |
+          cd ${INGINIOUS}
+          python${{env.PYTHON_VER}} inginious-install --default
+          
+      - name: Add current repo in course list
+        run: ln -s ${GITHUB_WORKSPACE} ${INGINIOUS}/tasks/${REPO_NAME}
+      
+      # Build INGInious containers
+      - name: Cache INGInious images
+        id: cache-inginious-images
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.INGINIOUS_IMAGES }}
+          key: ${{ runner.os }}-inginious-images
+        
+      - name: Build INGInious images
+        if: steps.cache-inginious-images.outputs.cache-hit != 'true'
+        run: python${{env.PYTHON_VER}} ${GITHUB_WORKSPACE}/.github/workflows/inginious-task-tester-container-builder.py
+          
+      - name: Load INGInious Images
+        if: steps.cache-inginious-images.outputs.cache-hit == 'true'
+        run: docker load --input ${INGINIOUS_IMAGES}
+        
+      - name: Re-playing old submissions
+        run: python${{env.PYTHON_VER}} ${INGINIOUS}/utils/task_tester/inginious-test-task -p ${PLUGIN_NAMES} -c ${INGINIOUS}/configuration.yaml ${REPO_NAME}