diff --git a/manifests/containers/example.yml b/manifests/containers/example.yml
index d1fc18863..a8be43200 100644
--- a/manifests/containers/example.yml
+++ b/manifests/containers/example.yml
@@ -84,7 +84,7 @@ variables:
 
 stemcells:
 - alias: default
-  os: ubuntu-xenial
+  os: ubuntu-bionic
   version: latest
 
 update:
diff --git a/manifests/swarm/docker-swarm.yml b/manifests/swarm/docker-swarm.yml
index 07c10bd2b..90551bf64 100644
--- a/manifests/swarm/docker-swarm.yml
+++ b/manifests/swarm/docker-swarm.yml
@@ -44,7 +44,7 @@ variables:
 
 stemcells:
 - alias: default
-  os: ubuntu-xenial
+  os: ubuntu-bionic
   version: latest
 
 update:
diff --git a/manifests/testing/example.yml b/manifests/testing/example.yml
index 8b12a56c7..31a018a95 100644
--- a/manifests/testing/example.yml
+++ b/manifests/testing/example.yml
@@ -70,7 +70,7 @@ variables:
 
 stemcells:
 - alias: default
-  os: ubuntu-xenial
+  os: ubuntu-bionic
   version: latest
 
 update:
diff --git a/manifests/testing/minimal.yml b/manifests/testing/minimal.yml
index c8ff62eee..984f2ed5e 100644
--- a/manifests/testing/minimal.yml
+++ b/manifests/testing/minimal.yml
@@ -15,7 +15,7 @@ instance_groups:
 
 stemcells:
 - alias: default
-  os: ubuntu-xenial
+  os: ubuntu-bionic
   version: latest
 
 update: