diff --git a/Dockerfile b/Dockerfile
index 7fbcaf0..2dd4ea7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,13 +2,13 @@ FROM sequenceiq/hadoop-docker:2.6.0
 MAINTAINER SequenceIQ
 
 #support for Hadoop 2.6.0
-RUN curl -s http://d3kbcqa49mib13.cloudfront.net/spark-1.6.1-bin-hadoop2.6.tgz | tar -xz -C /usr/local/
-RUN cd /usr/local && ln -s spark-1.6.1-bin-hadoop2.6 spark
+RUN curl -s http://d3kbcqa49mib13.cloudfront.net/spark-1.6.3-bin-hadoop2.6.tgz | tar -xz -C /usr/local/
+RUN cd /usr/local && ln -s spark-1.6.3-bin-hadoop2.6 spark
 ENV SPARK_HOME /usr/local/spark
 RUN mkdir $SPARK_HOME/yarn-remote-client
 ADD yarn-remote-client $SPARK_HOME/yarn-remote-client
 
-RUN $BOOTSTRAP && $HADOOP_PREFIX/bin/hadoop dfsadmin -safemode leave && $HADOOP_PREFIX/bin/hdfs dfs -put $SPARK_HOME-1.6.1-bin-hadoop2.6/lib /spark
+RUN $BOOTSTRAP && $HADOOP_PREFIX/bin/hadoop dfsadmin -safemode leave && $HADOOP_PREFIX/bin/hdfs dfs -put $SPARK_HOME-1.6.3-bin-hadoop2.6/lib /spark
 
 ENV YARN_CONF_DIR $HADOOP_PREFIX/etc/hadoop
 ENV PATH $PATH:$SPARK_HOME/bin:$HADOOP_PREFIX/bin
diff --git a/bootstrap.sh b/bootstrap.sh
index c01eeda..a2b9e86 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -13,7 +13,7 @@ cd $HADOOP_PREFIX/share/hadoop/common ; for cp in ${ACP//,/ }; do  echo == $cp;
 sed s/HOSTNAME/$HOSTNAME/ /usr/local/hadoop/etc/hadoop/core-site.xml.template > /usr/local/hadoop/etc/hadoop/core-site.xml
 
 # setting spark defaults
-echo spark.yarn.jar hdfs:///spark/spark-assembly-1.6.0-hadoop2.6.0.jar > $SPARK_HOME/conf/spark-defaults.conf
+echo spark.yarn.jar hdfs:///spark/spark-assembly-1.6.3-hadoop2.6.0.jar > $SPARK_HOME/conf/spark-defaults.conf
 cp $SPARK_HOME/conf/metrics.properties.template $SPARK_HOME/conf/metrics.properties
 
 service sshd start