diff --git a/install_jenkins_slave.sh b/install_jenkins_slave.sh
index 2e29145ee6..51e2acf7a6 100755
--- a/install_jenkins_slave.sh
+++ b/install_jenkins_slave.sh
@@ -40,6 +40,7 @@ else #defaults to Ubuntu
 	dpkg -i $puppet_deb
 
 	apt-get update
+	apt-get dist-upgrade
 	apt-get install -y puppet git rubygems
 
 fi
diff --git a/install_puppet.sh b/install_puppet.sh
index cba78b51b6..edf296db0d 100755
--- a/install_puppet.sh
+++ b/install_puppet.sh
@@ -56,7 +56,7 @@ EOF
 
     apt-get update
     DEBIAN_FRONTEND=noninteractive apt-get --option 'Dpkg::Options::=--force-confold' \
-        --assume-yes upgrade
+        --assume-yes dist-upgrade
     DEBIAN_FRONTEND=noninteractive apt-get --option 'Dpkg::Options::=--force-confold' \
         --assume-yes install -y --force-yes puppet git rubygems
 fi