diff --git a/deployment_scripts/puppet/manifests/hiera.pp b/deployment_scripts/puppet/manifests/hiera.pp
index d8aae09..610c7da 100644
--- a/deployment_scripts/puppet/manifests/hiera.pp
+++ b/deployment_scripts/puppet/manifests/hiera.pp
@@ -173,3 +173,8 @@ file { $purge:
   ensure => absent,
   backup => '.bak-version-0.10.x',
 }
+
+# Remove the crontab to avoid concurrent execution during an upgrade
+cron { 'update lma infra alerting':
+    ensure   => absent,
+}
diff --git a/deployment_scripts/puppet/modules/lma_infra_alerting/manifests/nagios.pp b/deployment_scripts/puppet/modules/lma_infra_alerting/manifests/nagios.pp
index c4d467b..2ed80bb 100644
--- a/deployment_scripts/puppet/modules/lma_infra_alerting/manifests/nagios.pp
+++ b/deployment_scripts/puppet/modules/lma_infra_alerting/manifests/nagios.pp
@@ -106,7 +106,7 @@ class lma_infra_alerting::nagios (
   cron { 'update lma infra alerting':
     ensure   => present,
     command  => "/usr/bin/flock -n /tmp/lma.lock -c \"${cron_bin} lma_infrastructure_alerting ${plugin_version}\"",
-    minute   => '*',
+    minute   => '*/10',
     hour     => '*',
     month    => '*',
     monthday => '*',