diff --git a/README.md b/README.md
index 202c824..b2cc09e 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Role Variables
 
 ```yaml
 ---
-zookeeper_version: 3.4.11
+zookeeper_version: 3.4.12
 zookeeper_url: http://www.us.apache.org/dist/zookeeper/zookeeper-{{zookeeper_version}}/zookeeper-{{zookeeper_version}}.tar.gz
 
 # Flag that selects if systemd or upstart will be used for the init service:
diff --git a/defaults/main.yml b/defaults/main.yml
index b8feb26..77a98c0 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,5 +1,5 @@
 ---
-zookeeper_version: 3.4.11
+zookeeper_version: 3.4.12
 zookeeper_url: http://www.us.apache.org/dist/zookeeper/zookeeper-{{zookeeper_version}}/zookeeper-{{zookeeper_version}}.tar.gz
 
 # Flag that selects if systemd or upstart will be used for the init service:
diff --git a/tests/test.yml b/tests/test.yml
index fec48c8..8950f1a 100644
--- a/tests/test.yml
+++ b/tests/test.yml
@@ -65,7 +65,7 @@
   remote_user: root
   roles:
     - role: role_under_test
-      zookeeper_version: 3.4.11
+      zookeeper_version: 3.4.12
       zookeeper_dir: /opt/zookeeper-{{zookeeper_version}}
       zookeeper_hosts:
         - host: "{{zookeeper_hosts_hostname}}" # the machine running
@@ -76,7 +76,7 @@
   connection: local
   remote_user: root
   vars:
-    zookeeper_version: 3.4.11
+    zookeeper_version: 3.4.12
     zookeeper_dir: /opt/zookeeper-{{zookeeper_version}}
     zookeeper_cluster_ports: "2888:3888"
   tasks: