diff --git a/defaults/main.yml b/defaults/main.yml
index 0d33341..09b564b 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -4,8 +4,8 @@ kafka_apache_mirror_base_url: https://mirror.netcologne.de/apache.org
 kafka_user: kafka
 kafka_group: kafka
 
-kafka_version: 2.5.0
-kafka_scala_version: 2.12
+kafka_version: 2.7.0
+kafka_scala_version: 2.13
 kafka_broker_id: 1 # must be set to a unique integer for each broker
 
 kafka_install_dir: /usr/local/kafka
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index 20f9dea..8f0f441 100644
--- a/molecule/default/molecule.yml
+++ b/molecule/default/molecule.yml
@@ -51,7 +51,6 @@ provisioner:
             password: guest
         kafka_host: "{{ ansible_default_ipv4.address }}"
         kafka_zookeeper_connection_hosts: "{{ groups['zookeeper'] | map('extract', hostvars, 'ansible_host') | map('regex_replace', '^(.*)', '\\1:2181') | list }}"
-        kafka_version: 2.5.0
         zookeeper_members: "{{ groups['zookeeper'] | map('extract', hostvars, 'ansible_default_ipv4') | map(attribute='address') | list }}"
       kafka:
         kafka_jmx_host: localhost
diff --git a/molecule/default/prepare.yml b/molecule/default/prepare.yml
index cccf94d..f5562c6 100644
--- a/molecule/default/prepare.yml
+++ b/molecule/default/prepare.yml
@@ -7,6 +7,7 @@
 - name: Install ZooKeeper
   hosts: zookeeper
   vars:
+    zookeeper_version: 3.6.2
     zookeeper_members: "{{ groups['zookeeper'] | map('extract', hostvars, 'ansible_default_ipv4') | map(attribute='address') | list }}"
   roles:
     - nl2go.zookeeper
diff --git a/molecule/resources/requirements.yml b/molecule/resources/requirements.yml
index 0170865..acc8daa 100644
--- a/molecule/resources/requirements.yml
+++ b/molecule/resources/requirements.yml
@@ -3,4 +3,4 @@
   version: 1.0.0
 
 - src: nl2go.zookeeper
-  version: 1.1.2
+  version: 1.0.0