diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 986c9cb..d9553de 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -37,6 +37,11 @@ systemd_dir: ""
 
 flannel_iface: ""
 
+#calico_iface: ""
+calico_ebpf: ""
+calico_cidr: ""
+calico_tag: ""
+
 apiserver_endpoint: ""
 
 k3s_token: "NA"
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 53faada..29a02b6 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -9,3 +9,18 @@ updates:
     ignore:
       - dependency-name: "*"
         update-types: ["version-update:semver-major"]
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    rebase-strategy: "auto"
+
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    rebase-strategy: "auto"
+    ignore:
+      - dependency-name: "*"
+        update-types: ["version-update:semver-major"]
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f55bf48..b8a6362 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,6 +12,7 @@ jobs:
           - default
           - ipv6
           - single_node
+          - calico
       fail-fast: false
     env:
       PYTHON_VERSION: "3.11"
@@ -63,6 +64,31 @@ jobs:
           PY_COLORS: 1
           ANSIBLE_FORCE_COLOR: 1
 
+      # these steps are necessary if not using ephemeral nodes
+      - name: Delete old Vagrant box versions
+        if: always() # do this even if a step before has failed
+        run: vagrant box prune --force
+
+      - name: Remove all local Vagrant boxes
+        if: always() # do this even if a step before has failed
+        run: vagrant box list | cut -f 1 -d ' ' | xargs -L 1 vagrant box remove -f
+
+      - name: Remove all Virtualbox VMs
+        if: always() # do this even if a step before has failed
+        run: VBoxManage list vms | awk -F'"' '{print $2}' | xargs -I {} VBoxManage unregistervm --delete "{}"
+
+      - name: Remove all Virtualbox HDs
+        if: always() # do this even if a step before has failed
+        run: VBoxManage list hdds | awk -F':' '/^UUID:/ {print $2}' | xargs -I {} VBoxManage closemedium disk "{}" --delete
+
+      - name: Remove all Virtualbox Networks
+        if: always() # do this even if a step before has failed
+        run: VBoxManage list hostonlyifs | grep '^Name:' | awk '{print $2}' | grep '^vboxnet' | xargs -I {} VBoxManage hostonlyif remove {}
+
+      - name: Remove Virtualbox network config
+        if: always() # do this even if a step before has failed
+        run: sudo rm /etc/vbox/networks.conf
+
       - name: Upload log files
         if: always() # do this even if a step before has failed
         uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # 3.1.1
@@ -70,7 +96,3 @@ jobs:
           name: logs
           path: |
             ${{ runner.temp }}/logs
-
-      - name: Delete old box versions
-        if: always() # do this even if a step before has failed
-        run: vagrant box prune --force
diff --git a/inventory/sample/group_vars/all.yml b/inventory/sample/group_vars/all.yml
index 5b923f7..4f433af 100644
--- a/inventory/sample/group_vars/all.yml
+++ b/inventory/sample/group_vars/all.yml
@@ -1,5 +1,5 @@
 ---
-k3s_version: v1.25.16+k3s4
+k3s_version: v1.29.0+k3s1
 # this is the user that has ssh access to these machines
 ansible_user: ansibleuser
 systemd_dir: /etc/systemd/system
@@ -10,6 +10,12 @@ system_timezone: "Your/Timezone"
 # interface which will be used for flannel
 flannel_iface: "eth0"
 
+# uncomment calico_iface to use tigera operator/calico cni instead of flannel https://docs.tigera.io/calico/latest/about
+# calico_iface: "eth0"
+calico_ebpf: false           # use eBPF dataplane instead of iptables
+calico_cidr: "10.52.0.0/16"  # calico cluster pod cidr pool
+calico_tag: "v3.27.0"        # calico version tag
+
 # apiserver_endpoint is virtual ip-address which will be configured on each master
 apiserver_endpoint: "192.168.30.222"
 
@@ -20,28 +26,35 @@ k3s_token: "some-SUPER-DEDEUPER-secret-password"
 # The IP on which the node is reachable in the cluster.
 # Here, a sensible default is provided, you can still override
 # it for each of your hosts, though.
-k3s_node_ip: '{{ ansible_facts[flannel_iface]["ipv4"]["address"] }}'
+k3s_node_ip: "{{ ansible_facts[(calico_iface | default(flannel_iface))]['ipv4']['address'] }}"
 
 # Disable the taint manually by setting: k3s_master_taint = false
 k3s_master_taint: "{{ true if groups['node'] | default([]) | length >= 1 else false }}"
 
 # these arguments are recommended for servers as well as agents:
 extra_args: >-
-  --flannel-iface={{ flannel_iface }}
+  {{ '--flannel-iface=' + flannel_iface if calico_iface is not defined else '' }}
   --node-ip={{ k3s_node_ip }}
 
 # change these to your liking, the only required are: --disable servicelb, --tls-san {{ apiserver_endpoint }}
+# the contents of the if block is also required if using calico
 extra_server_args: >-
   {{ extra_args }}
   {{ '--node-taint node-role.kubernetes.io/master=true:NoSchedule' if k3s_master_taint else '' }}
+  {% if calico_iface is defined %}
+  --flannel-backend=none
+  --disable-network-policy
+  --cluster-cidr={{ calico_cidr | default('10.52.0.0/16') }}
+  {% endif %}
   --tls-san {{ apiserver_endpoint }}
   --disable servicelb
   --disable traefik
+
 extra_agent_args: >-
   {{ extra_args }}
 
 # image tag for kube-vip
-kube_vip_tag_version: "v0.5.12"
+kube_vip_tag_version: "v0.6.4"
 
 # metallb type frr or native
 metal_lb_type: "native"
@@ -55,8 +68,8 @@ metal_lb_mode: "layer2"
 # metal_lb_bgp_peer_address: "192.168.30.1"
 
 # image tag for metal lb
-metal_lb_speaker_tag_version: "v0.13.9"
-metal_lb_controller_tag_version: "v0.13.9"
+metal_lb_speaker_tag_version: "v0.13.12"
+metal_lb_controller_tag_version: "v0.13.12"
 
 # metallb ip range for load balancer
 metal_lb_ip_range: "192.168.30.80-192.168.30.90"
@@ -66,9 +79,9 @@ metal_lb_ip_range: "192.168.30.80-192.168.30.90"
 # Please read https://gist.github.com/triangletodd/02f595cd4c0dc9aac5f7763ca2264185 before using this.
 # Most notably, your containers must be privileged, and must not have nesting set to true.
 # Please note this script disables most of the security of lxc containers, with the trade off being that lxc
-# containers are significantly more resource efficent compared to full VMs.
+# containers are significantly more resource efficient compared to full VMs.
 # Mixing and matching VMs and lxc containers is not supported, ymmv if you want to do this.
-# I would only really recommend using this if you have partiularly low powered proxmox nodes where the overhead of
+# I would only really recommend using this if you have particularly low powered proxmox nodes where the overhead of
 # VMs would use a significant portion of your available resources.
 proxmox_lxc_configure: false
 # the user that you would use to ssh into the host, for example if you run ssh some-user@my-proxmox-host,
diff --git a/molecule/README.md b/molecule/README.md
index 25cfdad..40c2fee 100644
--- a/molecule/README.md
+++ b/molecule/README.md
@@ -13,6 +13,8 @@ We have these scenarios:
   To save a bit of test time, this cluster is _not_ highly available, it consists of only one control and one worker node.
 - **single_node**:
   Very similar to the default scenario, but uses only a single node for all cluster functionality.
+- **calico**:
+  The same as single node, but uses calico cni instead of flannel.
 
 ## How to execute
 
diff --git a/molecule/calico/molecule.yml b/molecule/calico/molecule.yml
new file mode 100644
index 0000000..f9487f3
--- /dev/null
+++ b/molecule/calico/molecule.yml
@@ -0,0 +1,49 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: vagrant
+platforms:
+  - name: control1
+    box: generic/ubuntu2204
+    memory: 4096
+    cpus: 4
+    config_options:
+      # We currently can not use public-key based authentication on Ubuntu 22.04,
+      # see: https://github.com/chef/bento/issues/1405
+      ssh.username: "vagrant"
+      ssh.password: "vagrant"
+    groups:
+      - k3s_cluster
+      - master
+    interfaces:
+      - network_name: private_network
+        ip: 192.168.30.62
+provisioner:
+  name: ansible
+  env:
+    ANSIBLE_VERBOSITY: 1
+  playbooks:
+    converge: ../resources/converge.yml
+    side_effect: ../resources/reset.yml
+    verify: ../resources/verify.yml
+  inventory:
+    links:
+      group_vars: ../../inventory/sample/group_vars
+scenario:
+  test_sequence:
+    - dependency
+    - cleanup
+    - destroy
+    - syntax
+    - create
+    - prepare
+    - converge
+    # idempotence is not possible with the playbook in its current form.
+    - verify
+    # We are repurposing side_effect here to test the reset playbook.
+    # This is why we do not run it before verify (which tests the cluster),
+    # but after the verify step.
+    - side_effect
+    - cleanup
+    - destroy
diff --git a/molecule/calico/overrides.yml b/molecule/calico/overrides.yml
new file mode 100644
index 0000000..8a78c51
--- /dev/null
+++ b/molecule/calico/overrides.yml
@@ -0,0 +1,16 @@
+---
+- name: Apply overrides
+  hosts: all
+  tasks:
+    - name: Override host variables
+      ansible.builtin.set_fact:
+        # See:
+        # https://github.com/flannel-io/flannel/blob/67d603aaf45ef80f5dd39f43714fc5e6f8a637eb/Documentation/troubleshooting.md#Vagrant
+        calico_iface: eth1
+
+        # The test VMs might be a bit slow, so we give them more time to join the cluster:
+        retry_count: 45
+
+        # Make sure that our IP ranges do not collide with those of the other scenarios
+        apiserver_endpoint: "192.168.30.224"
+        metal_lb_ip_range: "192.168.30.100-192.168.30.109"
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index 491db8f..733edd1 100644
--- a/molecule/default/molecule.yml
+++ b/molecule/default/molecule.yml
@@ -22,7 +22,7 @@ platforms:
       ssh.password: "vagrant"
 
   - name: control2
-    box: generic/debian11
+    box: generic/debian12
     memory: 1024
     cpus: 2
     groups:
diff --git a/roles/k3s_agent/tasks/http_proxy.yml b/roles/k3s_agent/tasks/http_proxy.yml
index f0a68f6..d4943e2 100644
--- a/roles/k3s_agent/tasks/http_proxy.yml
+++ b/roles/k3s_agent/tasks/http_proxy.yml
@@ -1,8 +1,8 @@
 ---
 
-- name: Create k3s.service.d directory
+- name: Create k3s-node.service.d directory
   file:
-    path: '{{ systemd_dir }}/k3s.service.d'
+    path: '{{ systemd_dir }}/k3s-node.service.d'
     state: directory
     owner: root
     group: root
@@ -12,7 +12,7 @@
 - name: Copy K3s http_proxy conf file
   template:
     src: "http_proxy.conf.j2"
-    dest: "{{ systemd_dir }}/k3s.service.d/http_proxy.conf"
+    dest: "{{ systemd_dir }}/k3s-node.service.d/http_proxy.conf"
     owner: root
     group: root
     mode: '0755'
diff --git a/roles/k3s_server_post/tasks/calico.yml b/roles/k3s_server_post/tasks/calico.yml
new file mode 100644
index 0000000..bf8b1d5
--- /dev/null
+++ b/roles/k3s_server_post/tasks/calico.yml
@@ -0,0 +1,114 @@
+---
+- name: Deploy Calico to cluster
+  when: ansible_hostname == hostvars[groups[group_name_master | default('master')][0]]['ansible_hostname']
+  run_once: true
+  block:
+    - name: Create manifests directory on first master
+      file:
+        path: /tmp/k3s
+        state: directory
+        owner: root
+        group: root
+        mode: 0755
+
+    - name: "Download to first master: manifest for Tigera Operator and Calico CRDs"
+      ansible.builtin.get_url:
+        url: "https://raw.githubusercontent.com/projectcalico/calico/{{ calico_tag }}/manifests/tigera-operator.yaml"
+        dest: "/tmp/k3s/tigera-operator.yaml"
+        owner: root
+        group: root
+        mode: 0755
+
+    - name: Copy Calico custom resources manifest to first master
+      ansible.builtin.template:
+        src: "calico.crs.j2"
+        dest: /tmp/k3s/custom-resources.yaml
+        owner: root
+        group: root
+        mode: 0755
+
+    - name: Deploy or replace Tigera Operator
+      block:
+        - name: Deploy Tigera Operator
+          ansible.builtin.command:
+            cmd: kubectl create -f /tmp/k3s/tigera-operator.yaml
+          register: create_operator
+          changed_when: "'created' in create_operator.stdout"
+          failed_when: "'Error' in create_operator.stderr and 'already exists' not in create_operator.stderr"
+      rescue:
+        - name: Replace existing Tigera Operator
+          ansible.builtin.command:
+            cmd: kubectl replace -f /tmp/k3s/tigera-operator.yaml
+          register: replace_operator
+          changed_when: "'replaced' in replace_operator.stdout"
+          failed_when: "'Error' in replace_operator.stderr"
+
+    - name: Wait for Tigera Operator resources
+      command: >-
+        k3s kubectl wait {{ item.type }}/{{ item.name }}
+        --namespace='tigera-operator'
+        --for=condition=Available=True
+        --timeout=7s
+      register: tigera_result
+      changed_when: false
+      until: tigera_result is succeeded
+      retries: 7
+      delay: 7
+      with_items:
+        - {name: tigera-operator, type: deployment}
+      loop_control:
+        label: "{{ item.type }}/{{ item.name }}"
+
+    - name: Deploy Calico custom resources
+      block:
+        - name: Deploy custom resources for Calico
+          ansible.builtin.command:
+            cmd: kubectl create -f /tmp/k3s/custom-resources.yaml
+          register: create_cr
+          changed_when: "'created' in create_cr.stdout"
+          failed_when: "'Error' in create_cr.stderr and 'already exists' not in create_cr.stderr"
+      rescue:
+        - name: Apply new Calico custom resource manifest
+          ansible.builtin.command:
+            cmd: kubectl apply -f /tmp/k3s/custom-resources.yaml
+          register: apply_cr
+          changed_when: "'configured' in apply_cr.stdout or 'created' in apply_cr.stdout"
+          failed_when: "'Error' in apply_cr.stderr"
+
+    - name: Wait for Calico system resources to be available
+      command: >-
+        {% if item.type == 'daemonset' %}
+        k3s kubectl wait pods
+        --namespace='{{ item.namespace }}'
+        --selector={{ item.selector }}
+        --for=condition=Ready
+        {% else %}
+        k3s kubectl wait {{ item.type }}/{{ item.name }}
+        --namespace='{{ item.namespace }}'
+        --for=condition=Available
+        {% endif %}
+        --timeout=7s
+      register: cr_result
+      changed_when: false
+      until: cr_result is succeeded
+      retries: 30
+      delay: 7
+      with_items:
+        - {name: calico-typha, type: deployment, namespace: calico-system}
+        - {name: calico-kube-controllers, type: deployment, namespace: calico-system}
+        - {name: csi-node-driver, type: daemonset, selector: 'k8s-app=csi-node-driver', namespace: calico-system}
+        - {name: calico-node, type: daemonset, selector: 'k8s-app=calico-node', namespace: calico-system}
+        - {name: calico-apiserver, type: deployment, namespace: calico-apiserver}
+      loop_control:
+        label: "{{ item.type }}/{{ item.name }}"
+
+    - name: Patch Felix configuration for eBPF mode
+      ansible.builtin.command:
+        cmd: >
+          kubectl patch felixconfiguration default
+          --type='merge'
+          --patch='{"spec": {"bpfKubeProxyIptablesCleanupEnabled": false}}'
+      register: patch_result
+      changed_when: "'felixconfiguration.projectcalico.org/default patched' in patch_result.stdout"
+      failed_when: "'Error' in patch_result.stderr"
+      when: calico_ebpf
diff --git a/roles/k3s_server_post/tasks/main.yml b/roles/k3s_server_post/tasks/main.yml
index f88dc08..505eebf 100644
--- a/roles/k3s_server_post/tasks/main.yml
+++ b/roles/k3s_server_post/tasks/main.yml
@@ -1,4 +1,9 @@
 ---
+- name: Deploy calico
+  include_tasks: calico.yml
+  tags: calico
+  when: calico_iface is defined
+
 - name: Deploy metallb pool
   include_tasks: metallb.yml
   tags: metallb
diff --git a/roles/k3s_server_post/templates/calico.crs.j2 b/roles/k3s_server_post/templates/calico.crs.j2
new file mode 100644
index 0000000..d33099d
--- /dev/null
+++ b/roles/k3s_server_post/templates/calico.crs.j2
@@ -0,0 +1,41 @@
+# This section includes base Calico installation configuration.
+# For more information, see: https://docs.tigera.io/calico/latest/reference/installation/api#operator.tigera.io/v1.Installation
+apiVersion: operator.tigera.io/v1
+kind: Installation
+metadata:
+  name: default
+spec:
+  # Configures Calico networking.
+  calicoNetwork:
+    # Note: The ipPools section cannot be modified post-install.
+    ipPools:
+    - blockSize: {{ calico_blockSize | default('26') }}
+      cidr: {{ calico_cidr | default('10.52.0.0/16') }}
+      encapsulation: {{ calico_encapsulation | default('VXLANCrossSubnet') }}
+      natOutgoing: {{ calico_natOutgoing | default('Enabled') }}
+      nodeSelector: {{ calico_nodeSelector | default('all()') }}
+    nodeAddressAutodetectionV4:
+      interface: {{ calico_iface  }}
+    linuxDataplane: {{ 'BPF' if calico_ebpf else 'Iptables' }}
+
+---
+
+# This section configures the Calico API server.
+# For more information, see: https://docs.tigera.io/calico/latest/reference/installation/api#operator.tigera.io/v1.APIServer
+apiVersion: operator.tigera.io/v1
+kind: APIServer
+metadata:
+  name: default
+spec: {}
+
+{% if calico_ebpf %}
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: kubernetes-services-endpoint
+  namespace: tigera-operator
+data:
+  KUBERNETES_SERVICE_HOST: '{{ apiserver_endpoint }}'
+  KUBERNETES_SERVICE_PORT: '6443'
+{% endif %}
diff --git a/roles/raspberrypi/tasks/main.yml b/roles/raspberrypi/tasks/main.yml
index 29f824a..9b4c7d4 100644
--- a/roles/raspberrypi/tasks/main.yml
+++ b/roles/raspberrypi/tasks/main.yml
@@ -17,21 +17,27 @@
   when:
     grep_cpuinfo_raspberrypi.rc == 0 or grep_device_tree_model_raspberrypi.rc == 0
 
-- name: Set detected_distribution to Raspbian
+- name: Set detected_distribution to Raspbian (ARM64 on Raspbian, Debian Buster/Bullseye/Bookworm)
   set_fact:
     detected_distribution: Raspbian
-  when: >
-    raspberry_pi|default(false) and
-    ( ansible_facts.lsb.id|default("") == "Raspbian" or
-      ansible_facts.lsb.description|default("") is match("[Rr]aspbian.*") )
+  vars:
+    allowed_descriptions:
+      - "[Rr]aspbian.*"
+      - "Debian.*buster"
+      - "Debian.*bullseye"
+      - "Debian.*bookworm"
+  when:
+    - ansible_facts.architecture is search("aarch64")
+    - raspberry_pi|default(false)
+    - ansible_facts.lsb.description|default("") is match(allowed_descriptions | join('|'))
 
-- name: Set detected_distribution to Raspbian (ARM64 on Debian Buster)
+- name: Set detected_distribution to Raspbian (ARM64 on Debian Bookworm)
   set_fact:
     detected_distribution: Raspbian
   when:
     - ansible_facts.architecture is search("aarch64")
     - raspberry_pi|default(false)
-    - ansible_facts.lsb.description|default("") is match("Debian.*buster")
+    - ansible_facts.lsb.description|default("") is match("Debian.*bookworm")
 
 - name: Set detected_distribution_major_version
   set_fact:
@@ -39,14 +45,6 @@
   when:
     - detected_distribution | default("") == "Raspbian"
 
-- name: Set detected_distribution to Raspbian (ARM64 on Debian Bullseye)
-  set_fact:
-    detected_distribution: Raspbian
-  when:
-    - ansible_facts.architecture is search("aarch64")
-    - raspberry_pi|default(false)
-    - ansible_facts.lsb.description|default("") is match("Debian.*bullseye")
-
 - name: Execute OS related tasks on the Raspberry Pi - {{ action_ }}
   include_tasks: "{{ item }}"
   with_first_found:
diff --git a/roles/reset/tasks/main.yml b/roles/reset/tasks/main.yml
index da4b151..3e90d4d 100644
--- a/roles/reset/tasks/main.yml
+++ b/roles/reset/tasks/main.yml
@@ -45,13 +45,16 @@
     - /var/lib/rancher/k3s
     - /var/lib/rancher/
     - /var/lib/cni/
+    - /etc/cni/net.d
 
 - name: Remove K3s http_proxy files
   file:
     name: "{{ item }}"
     state: absent
   with_items:
+    - "{{ systemd_dir }}/k3s.service.d/http_proxy.conf"
     - "{{ systemd_dir }}/k3s.service.d"
+    - "{{ systemd_dir }}/k3s-node.service.d/http_proxy.conf"
     - "{{ systemd_dir }}/k3s-node.service.d"
   when: proxy_env is defined