diff --git a/centos7-multi-upgrade.sh b/centos7-multi-upgrade.sh
index 1f39fdf6..5e6acd55 100755
--- a/centos7-multi-upgrade.sh
+++ b/centos7-multi-upgrade.sh
@@ -3,7 +3,7 @@
 # build latest pke tool
 GOOS=linux make pke
 
-KUBERNETES_VERSION="${1:-v1.18.1}"
+KUBERNETES_VERSION="${1:-v1.18.2}"
 
 # upgrade first master node
 echo ""
diff --git a/centos7-multi.sh b/centos7-multi.sh
index 1e591889..1f2095a0 100755
--- a/centos7-multi.sh
+++ b/centos7-multi.sh
@@ -6,7 +6,7 @@ jq --version || (echo "Please install jq command line tool. https://stedolan.git
 # build latest pke tool
 GOOS=linux make pke
 
-KUBERNETES_VERSION="${1:-v1.17.4}"
+KUBERNETES_VERSION="${1:-v1.17.5}"
 
 # install first master node
 echo ""
diff --git a/centos7-single-upgrade.sh b/centos7-single-upgrade.sh
index a0df6175..42824d85 100755
--- a/centos7-single-upgrade.sh
+++ b/centos7-single-upgrade.sh
@@ -3,6 +3,6 @@
 # build latest pke tool
 GOOS=linux make pke
 
-KUBERNETES_VERSION="${1:-v1.18.1}"
+KUBERNETES_VERSION="${1:-v1.18.2}"
 
 vagrant ssh centos1 -c "sudo /banzaicloud/pke upgrade master --kubernetes-version='$KUBERNETES_VERSION'"
diff --git a/centos7-single.sh b/centos7-single.sh
index 97c7eea7..f575497a 100755
--- a/centos7-single.sh
+++ b/centos7-single.sh
@@ -3,7 +3,7 @@
 # build latest pke tool
 GOOS=linux make pke
 
-KUBERNETES_VERSION="${1:-v1.17.4}"
+KUBERNETES_VERSION="${1:-v1.17.5}"
 
 vagrant up centos1
 vagrant ssh centos1 -c "sudo /scripts/pke-single.sh '$KUBERNETES_VERSION' '192.168.64.11:6443'"
diff --git a/ubuntu-multi-upgrade.sh b/ubuntu-multi-upgrade.sh
index af5466f0..1fc1de3b 100755
--- a/ubuntu-multi-upgrade.sh
+++ b/ubuntu-multi-upgrade.sh
@@ -3,7 +3,7 @@
 # build latest pke tool
 GOOS=linux make pke
 
-KUBERNETES_VERSION="${1:-v1.18.1}"
+KUBERNETES_VERSION="${1:-v1.18.2}"
 
 # upgrade first master node
 echo ""
diff --git a/ubuntu-multi.sh b/ubuntu-multi.sh
index a400eecc..9ee24404 100755
--- a/ubuntu-multi.sh
+++ b/ubuntu-multi.sh
@@ -6,7 +6,7 @@ jq --version || (echo "Please install jq command line tool. https://stedolan.git
 # build latest pke tool
 GOOS=linux make pke
 
-KUBERNETES_VERSION="${1:-v1.17.4}"
+KUBERNETES_VERSION="${1:-v1.17.5}"
 
 # install first master node
 echo ""
diff --git a/ubuntu-single-upgrade.sh b/ubuntu-single-upgrade.sh
index abe3f46d..5e22fcf0 100755
--- a/ubuntu-single-upgrade.sh
+++ b/ubuntu-single-upgrade.sh
@@ -3,6 +3,6 @@
 # build latest pke tool
 GOOS=linux make pke
 
-KUBERNETES_VERSION="${1:-v1.18.1}"
+KUBERNETES_VERSION="${1:-v1.18.2}"
 
 vagrant ssh ubuntu1 -c "sudo /banzaicloud/pke upgrade master --kubernetes-version='$KUBERNETES_VERSION'"
diff --git a/ubuntu-single.sh b/ubuntu-single.sh
index da1c1dfc..945482d5 100755
--- a/ubuntu-single.sh
+++ b/ubuntu-single.sh
@@ -3,7 +3,7 @@
 # build latest pke tool
 GOOS=linux make pke
 
-KUBERNETES_VERSION="${1:-v1.17.4}"
+KUBERNETES_VERSION="${1:-v1.17.5}"
 
 vagrant up ubuntu1
 vagrant ssh ubuntu1 -c "sudo /scripts/pke-single.sh '$KUBERNETES_VERSION' '192.168.64.21:6443'"