diff --git a/docs/content/tutorials/cluster.md b/docs/content/tutorials/cluster.md
index ac13b594dae..20601812d05 100644
--- a/docs/content/tutorials/cluster.md
+++ b/docs/content/tutorials/cluster.md
@@ -291,9 +291,9 @@ rsync -az druid-#{DRUIDVERSION}/ COORDINATION_SERVER:druid-#{DRUIDVERSION}/
 Log on to your coordination server and install Zookeeper:
 
 ```bash
-curl http://www.gtlib.gatech.edu/pub/apache/zookeeper/zookeeper-3.4.10/zookeeper-3.4.10.tar.gz -o zookeeper-3.4.10.tar.gz
-tar -xzf zookeeper-3.4.10.tar.gz
-cd zookeeper-3.4.10
+curl http://www.gtlib.gatech.edu/pub/apache/zookeeper/zookeeper-3.4.11/zookeeper-3.4.11.tar.gz -o zookeeper-3.4.11.tar.gz
+tar -xzf zookeeper-3.4.11.tar.gz
+cd zookeeper-3.4.11
 cp conf/zoo_sample.cfg conf/zoo.cfg
 ./bin/zkServer.sh start
 ```
diff --git a/docs/content/tutorials/quickstart.md b/docs/content/tutorials/quickstart.md
index 4d35b392cc1..17d3339451e 100644
--- a/docs/content/tutorials/quickstart.md
+++ b/docs/content/tutorials/quickstart.md
@@ -50,9 +50,9 @@ Druid currently has a dependency on [Apache ZooKeeper](http://zookeeper.apache.o
 need to download and run Zookeeper.
 
 ```bash
-curl http://www.gtlib.gatech.edu/pub/apache/zookeeper/zookeeper-3.4.10/zookeeper-3.4.10.tar.gz -o zookeeper-3.4.10.tar.gz
-tar -xzf zookeeper-3.4.10.tar.gz
-cd zookeeper-3.4.10
+curl http://www.gtlib.gatech.edu/pub/apache/zookeeper/zookeeper-3.4.11/zookeeper-3.4.11.tar.gz -o zookeeper-3.4.11.tar.gz
+tar -xzf zookeeper-3.4.11.tar.gz
+cd zookeeper-3.4.11
 cp conf/zoo_sample.cfg conf/zoo.cfg
 ./bin/zkServer.sh start
 ```
diff --git a/integration-tests/docker-base/setup.sh b/integration-tests/docker-base/setup.sh
index 24fec230ef5..b9da52271c0 100644
--- a/integration-tests/docker-base/setup.sh
+++ b/integration-tests/docker-base/setup.sh
@@ -20,9 +20,9 @@ apt-get install -y mysql-server
 apt-get install -y supervisor
 
 # Zookeeper
-wget -q -O - http://www.us.apache.org/dist/zookeeper/zookeeper-3.4.10/zookeeper-3.4.10.tar.gz | tar -xzf - -C /usr/local \
-  && cp /usr/local/zookeeper-3.4.10/conf/zoo_sample.cfg /usr/local/zookeeper-3.4.10/conf/zoo.cfg \
-  && ln -s /usr/local/zookeeper-3.4.10 /usr/local/zookeeper
+wget -q -O - http://www.us.apache.org/dist/zookeeper/zookeeper-3.4.11/zookeeper-3.4.11.tar.gz | tar -xzf - -C /usr/local \
+  && cp /usr/local/zookeeper-3.4.11/conf/zoo_sample.cfg /usr/local/zookeeper-3.4.11/conf/zoo.cfg \
+  && ln -s /usr/local/zookeeper-3.4.11 /usr/local/zookeeper
 
 # Kafka
 # Match the version to the Kafka client used by KafkaSupervisor
diff --git a/pom.xml b/pom.xml
index a4c039532df..be994bff9f2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,7 @@
         <aws.sdk.version>1.10.77</aws.sdk.version>
         <caffeine.version>2.5.5</caffeine.version>
         <!-- When upgrading ZK, edit docs and integration tests as well (integration-tests/docker-base/setup.sh) -->
-        <zookeeper.version>3.4.10</zookeeper.version>
+        <zookeeper.version>3.4.11</zookeeper.version>
     </properties>
 
     <modules>