diff --git a/doc/source/examples/etc_nodepool/nodepool.yaml b/doc/source/examples/etc_nodepool/nodepool.yaml
index 1c18306359..105b0ef54b 100644
--- a/doc/source/examples/etc_nodepool/nodepool.yaml
+++ b/doc/source/examples/etc_nodepool/nodepool.yaml
@@ -7,7 +7,7 @@ zookeeper-tls:
   ca: /var/certs/certs/cacert.pem
 
 labels:
-  - name: ubuntu-focal
+  - name: ubuntu-jammy
 
 providers:
   - name: static-vms
@@ -16,7 +16,7 @@ providers:
       - name: main
         nodes:
           - name: node
-            labels: ubuntu-focal
+            labels: ubuntu-jammy
             host-key: "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOgHJYejINIKzUiuSJ2MN8uPc+dfFrZ9JH1hLWS8gI+g"
             python-path: /usr/bin/python3
             username: root
diff --git a/doc/source/examples/node-Dockerfile b/doc/source/examples/node-Dockerfile
index ff74aa5924..b588bcf2c7 100644
--- a/doc/source/examples/node-Dockerfile
+++ b/doc/source/examples/node-Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/ubuntu:20.04
+FROM docker.io/ubuntu:22.04
 
 RUN apt-get update \
     && DEBIAN_FRONTEND="noninteractive" apt-get -y install \
diff --git a/doc/source/examples/zuul-config/zuul.d/jobs.yaml b/doc/source/examples/zuul-config/zuul.d/jobs.yaml
index 8ad979e461..bb9822f48c 100644
--- a/doc/source/examples/zuul-config/zuul.d/jobs.yaml
+++ b/doc/source/examples/zuul-config/zuul.d/jobs.yaml
@@ -3,5 +3,5 @@
     parent: null
     nodeset:
       nodes:
-        - name: ubuntu-focal
-          label: ubuntu-focal
+        - name: ubuntu-jammy
+          label: ubuntu-jammy
diff --git a/doc/source/examples/zuul-config/zuul.d/jobs2.yaml b/doc/source/examples/zuul-config/zuul.d/jobs2.yaml
index a6ed1a633b..c7b4a68789 100644
--- a/doc/source/examples/zuul-config/zuul.d/jobs2.yaml
+++ b/doc/source/examples/zuul-config/zuul.d/jobs2.yaml
@@ -18,5 +18,5 @@
     timeout: 1800
     nodeset:
       nodes:
-        - name: ubuntu-focal
-          label: ubuntu-focal
+        - name: ubuntu-jammy
+          label: ubuntu-jammy