diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index f3bcf15a..7fd0e4e4 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
     -
       name: Checkout repository
-      uses: actions/checkout@v3.5.2
+      uses: actions/checkout@v3.5.3
     # Initializes the CodeQL tools for scanning.
     -
       name: Initialize CodeQL
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index fe28112c..43d5ca96 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.5.2
+        uses: actions/checkout@v3.5.3
       - name: Remove 'stale' label
         run: gh issue edit ${{ github.event.issue.number }} --remove-label $stale_label
         env:
diff --git a/.github/workflows/sync-back-to-dev.yml b/.github/workflows/sync-back-to-dev.yml
index fa7564a3..5435b7db 100644
--- a/.github/workflows/sync-back-to-dev.yml
+++ b/.github/workflows/sync-back-to-dev.yml
@@ -33,7 +33,7 @@ jobs:
     name: Syncing branches
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.5.2
+        uses: actions/checkout@v3.5.3
       - name: Opening pull request
         run: gh pr create -B development -H master --title 'Sync master back into development' --body 'Created by Github action' --label 'internal'
         env:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d5037f37..be64482d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3.5.2
+        uses: actions/checkout@v3.5.3
 
       - name: Check scripts in repository are executable
         run: |
@@ -58,6 +58,7 @@ jobs:
           [
             debian_10,
             debian_11,
+            debian_12,
             ubuntu_20,
             ubuntu_22,
             ubuntu_23,
@@ -71,7 +72,7 @@ jobs:
       DISTRO: ${{matrix.distro}}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3.5.2
+        uses: actions/checkout@v3.5.3
 
       - name: Set up Python 3.10
         uses: actions/setup-python@v4.6.1
diff --git a/test/_debian_12.Dockerfile b/test/_debian_12.Dockerfile
new file mode 100644
index 00000000..a762fee0
--- /dev/null
+++ b/test/_debian_12.Dockerfile
@@ -0,0 +1,17 @@
+FROM buildpack-deps:bookworm-scm
+
+ENV GITDIR /etc/.pihole
+ENV SCRIPTDIR /opt/pihole
+
+RUN mkdir -p $GITDIR $SCRIPTDIR /etc/pihole
+ADD . $GITDIR
+RUN cp $GITDIR/advanced/Scripts/*.sh $GITDIR/gravity.sh $GITDIR/pihole $GITDIR/automated\ install/*.sh $SCRIPTDIR/
+ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$SCRIPTDIR
+
+RUN true && \
+    chmod +x $SCRIPTDIR/*
+
+ENV SKIP_INSTALL true
+ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
+
+#sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/requirements.txt b/test/requirements.txt
index f11d1253..44e6c94a 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -1,6 +1,6 @@
 docker-compose == 1.29.2
-pytest == 7.3.1
+pytest == 7.3.2
 pytest-xdist == 3.3.1
 pytest-testinfra == 8.1.0
-tox == 4.5.1
+tox == 4.6.2
 
diff --git a/test/tox.debian_12.ini b/test/tox.debian_12.ini
new file mode 100644
index 00000000..ee70e8bd
--- /dev/null
+++ b/test/tox.debian_12.ini
@@ -0,0 +1,8 @@
+[tox]
+envlist = py3
+
+[testenv:py3]
+allowlist_externals = docker
+deps = -rrequirements.txt
+commands = docker buildx build --load --progress plain -f _debian_12.Dockerfile -t pytest_pihole:test_container ../
+           pytest {posargs:-vv -n auto} ./test_any_automated_install.py ./test_any_utils.py