diff --git a/.kitchen.yml b/.kitchen.yml
index 7165476..0284b0b 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -20,7 +20,6 @@ platforms:
       privileged: true
       provision_command:
         - apt-get update && apt-get install -y software-properties-common &&  add-apt-repository -y ppa:ansible/ansible
-        - apt-get install -y -q net-tools
         - apt-get update && apt-get -y -q install python-apt python-pycurl
       use_sudo: false
       volume: <%=ENV['ES_XPACK_LICENSE_FILE']%>:/tmp/license.json
@@ -75,7 +74,8 @@ suites:
     attributes:
       extra_vars:
         es_plugins:
-          - plugin: mapper-murmur3
+          - plugin: lmenezes/elasticsearch-kopf
+            version: master
     provisioner:
       playbook: test/integration/package.yml
   - name: config-2x
@@ -88,7 +88,8 @@ suites:
     attributes:
       extra_vars:
         es_plugins:
-          - plugin: mapper-murmur3
+          - plugin: lmenezes/elasticsearch-kopf
+            version: master
     provisioner:
       playbook: test/integration/multi.yml
   - name: xpack-2x
diff --git a/tasks/java.yml b/tasks/java.yml
index ed7247f..ed49fb1 100644
--- a/tasks/java.yml
+++ b/tasks/java.yml
@@ -12,4 +12,11 @@
   
 - name: Debian - Ensure Java is installed
   apt: name={{ java }} state={{java_state}} update_cache=yes force=yes
-  when: ansible_os_family == 'Debian'
\ No newline at end of file
+  when: ansible_os_family == 'Debian'
+
+- command: java -version 2>&1 | grep OpenJDK
+  register: open_jdk
+
+- name: refresh the java ca-certificates
+  command: /var/lib/dpkg/info/ca-certificates-java.postinst configure
+  when: ansible_distribution == 'Ubuntu' and open_jdk.rc == 0
\ No newline at end of file
diff --git a/test/integration/helpers/serverspec/xpack_spec.rb b/test/integration/helpers/serverspec/xpack_spec.rb
index 14cd42d..2bc671d 100644
--- a/test/integration/helpers/serverspec/xpack_spec.rb
+++ b/test/integration/helpers/serverspec/xpack_spec.rb
@@ -120,12 +120,12 @@ shared_examples 'xpack::init' do |es_version|
     its(:exit_status) { should eq 0 }
   end
 
-  describe file('/usr/share/elasticsearch/plugins/mapper-murmur3') do
+  describe file('/usr/share/elasticsearch/plugins/kopf') do
     it { should be_directory }
     it { should be_owned_by 'elasticsearch' }
   end
 
-  describe command('curl -s localhost:9200/_nodes/plugins?pretty=true -u es_admin:changeMe | grep mapper-murmur3') do
+  describe command('curl -s localhost:9200/_nodes/plugins?pretty=true -u es_admin:changeMe | grep kopf') do
     its(:exit_status) { should eq 0 }
   end
 
diff --git a/test/integration/multi-2x/serverspec/default_spec.rb b/test/integration/multi-2x/serverspec/default_spec.rb
index 703ad1a..81637c4 100644
--- a/test/integration/multi-2x/serverspec/default_spec.rb
+++ b/test/integration/multi-2x/serverspec/default_spec.rb
@@ -2,7 +2,7 @@ require 'multi_spec'
 
 
 describe 'Multi Tests v 2.x' do
-  include_examples 'multi::init', "2.3.4", ["mapper-murmur3"]
+  include_examples 'multi::init', "2.3.4", ["kopf"]
 end
 
 
diff --git a/test/integration/package-2x/serverspec/default_spec.rb b/test/integration/package-2x/serverspec/default_spec.rb
index 4cb829c..417df47 100644
--- a/test/integration/package-2x/serverspec/default_spec.rb
+++ b/test/integration/package-2x/serverspec/default_spec.rb
@@ -2,5 +2,5 @@ require 'package_spec'
 
 
 describe 'Package Tests v 2.x' do
-  include_examples 'package::init', "2.3.4", ["mapper-murmur3"]
+  include_examples 'package::init', "2.3.4", ["kopf"]
 end
\ No newline at end of file
diff --git a/test/integration/xpack.yml b/test/integration/xpack.yml
index 2c098bb..25ece50 100644
--- a/test/integration/xpack.yml
+++ b/test/integration/xpack.yml
@@ -10,7 +10,8 @@
     es_enable_xpack: true
     es_xpack_license: "{{ lookup('file', '/tmp/license.json')  }}"
     es_plugins:
-      - plugin: mapper-murmur3
+      - plugin: lmenezes/elasticsearch-kopf
+        version: master
     es_xpack_features:
       - shield
       - watcher