diff --git a/.gitreview b/.gitreview
index 975ab6db..9abc4d3b 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,3 +2,4 @@
 host=review.opendev.org
 port=29418
 project=openstack/puppet-openstack-integration.git
+defaultbranch=stable/2026.1
diff --git a/Puppetfile b/Puppetfile
index f5912085..959e4b88 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -3,15 +3,15 @@
 ## OpenStack modules
 mod 'aodh',
   :git => 'https://opendev.org/openstack/puppet-aodh',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'barbican',
   :git => 'https://opendev.org/openstack/puppet-barbican',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'ceilometer',
   :git => 'https://opendev.org/openstack/puppet-ceilometer',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'ceph',
   :git => 'https://opendev.org/openstack/puppet-ceph',
@@ -19,107 +19,107 @@ mod 'ceph',
 
 mod 'cinder',
   :git => 'https://opendev.org/openstack/puppet-cinder',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'cloudkitty',
   :git => 'https://opendev.org/openstack/puppet-cloudkitty',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'designate',
   :git => 'https://opendev.org/openstack/puppet-designate',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'glance',
   :git => 'https://opendev.org/openstack/puppet-glance',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'gnocchi',
   :git => 'https://opendev.org/openstack/puppet-gnocchi',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'heat',
   :git => 'https://opendev.org/openstack/puppet-heat',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'horizon',
   :git => 'https://opendev.org/openstack/puppet-horizon',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'ironic',
   :git => 'https://opendev.org/openstack/puppet-ironic',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'keystone',
   :git => 'https://opendev.org/openstack/puppet-keystone',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'magnum',
   :git => 'https://opendev.org/openstack/puppet-magnum',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'manila',
   :git => 'https://opendev.org/openstack/puppet-manila',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'mistral',
   :git => 'https://opendev.org/openstack/puppet-mistral',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'neutron',
   :git => 'https://opendev.org/openstack/puppet-neutron',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'nova',
   :git => 'https://opendev.org/openstack/puppet-nova',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'octavia',
   :git => 'https://opendev.org/openstack/puppet-octavia',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'openstack_extras',
   :git => 'https://opendev.org/openstack/puppet-openstack_extras',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'openstacklib',
   :git => 'https://opendev.org/openstack/puppet-openstacklib',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'oslo',
   :git => 'https://opendev.org/openstack/puppet-oslo',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'ovn',
   :git => 'https://opendev.org/openstack/puppet-ovn',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'placement',
   :git => 'https://opendev.org/openstack/puppet-placement',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'swift',
   :git => 'https://opendev.org/openstack/puppet-swift',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'tempest',
   :git => 'https://opendev.org/openstack/puppet-tempest',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'trove',
   :git => 'https://opendev.org/openstack/puppet-trove',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'vswitch',
   :git => 'https://opendev.org/openstack/puppet-vswitch',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'watcher',
   :git => 'https://opendev.org/openstack/puppet-watcher',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 mod 'zaqar',
   :git => 'https://opendev.org/openstack/puppet-zaqar',
-  :ref => 'master'
+  :ref => 'stable/2026.1'
 
 ## External modules
 mod 'kmod',
diff --git a/configure_facts.sh b/configure_facts.sh
index 07ddd4d7..3f7065be 100644
--- a/configure_facts.sh
+++ b/configure_facts.sh
@@ -35,20 +35,10 @@ if [ "${USE_MIRROR,,}" = true ] && [ -f /etc/ci/mirror_info.sh ]; then
     CENTOS_MIRROR_HOST="http://${NODEPOOL_MIRROR_HOST}/centos-stream"
     # TODO(tkajinam): Remove this once UCA Gazpacho is officially released.
     NODEPOOL_UCA_MIRROR='http://ubuntu-cloud.archive.canonical.com/ubuntu'
-    if uses_debs; then
-        NODEPOOL_PUPPETLABS_MIRROR="http://${NODEPOOL_MIRROR_HOST}/apt-puppetlabs"
-    else
-        NODEPOOL_PUPPETLABS_MIRROR="http://${NODEPOOL_MIRROR_HOST}/yum-puppetlabs"
-    fi
 else
     CENTOS_MIRROR_HOST='http://mirror.stream.centos.org'
     NODEPOOL_RDO_PROXY='https://trunk.rdoproject.org'
     NODEPOOL_UCA_MIRROR='http://ubuntu-cloud.archive.canonical.com/ubuntu'
-    if uses_debs; then
-        NODEPOOL_PUPPETLABS_MIRROR='https://apt.puppetlabs.com'
-    else
-        NODEPOOL_PUPPETLABS_MIRROR="https://yum.puppetlabs.com"
-    fi
 fi
 
 export FACTER_openstack_version=${OPENSTACK_VERSION}
diff --git a/functions b/functions
index ca497a5d..55dff611 100644
--- a/functions
+++ b/functions
@@ -180,19 +180,19 @@ install_puppetlabs_repo() {
     source /etc/os-release
     if uses_debs; then
         $SUDO mkdir -p /etc/apt/sources.list.d
-        echo "deb ${NODEPOOL_PUPPETLABS_MIRROR} ${VERSION_CODENAME} puppet${PUPPET_MAJ_VERSION}" | $SUDO tee /etc/apt/sources.list.d/puppetlabs.list
+        echo "deb https://apt.puppetlabs.com ${VERSION_CODENAME} puppet${PUPPET_MAJ_VERSION}" | $SUDO tee /etc/apt/sources.list.d/puppetlabs.list
         $SUDO apt-key add files/GPG-KEY-puppetlabs
         $SUDO apt-key add files/GPG-KEY-ceph
         $SUDO apt-get update
     elif is_fedora; then
-        $SUDO rpm --import ${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppet
-        $SUDO rpm --import ${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppet-20250406
+        $SUDO rpm --import https://yum.puppetlabs.com/RPM-GPG-KEY-puppet
+        $SUDO rpm --import https://yum.puppetlabs.com/RPM-GPG-KEY-puppet-20250406
         $SUDO bash -c "cat << EOF > /etc/yum.repos.d/puppetlabs.repo
 [puppetlabs-products]
 name=Puppet Labs Products El ${VERSION_ID} - x86_64
-baseurl=${NODEPOOL_PUPPETLABS_MIRROR}/puppet${PUPPET_MAJ_VERSION}/el/${VERSION_ID}/x86_64/
-gpgkey=${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppet
-       ${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppet-20250406
+baseurl=https://yum.puppetlabs.com/puppet${PUPPET_MAJ_VERSION}/el/${VERSION_ID}/x86_64/
+gpgkey=https://yum.puppetlabs.com/RPM-GPG-KEY-puppet
+       https://yum.puppetlabs.com/RPM-GPG-KEY-puppet-20250406
 enabled=1
 gpgcheck=1
 EOF"