diff --git a/bin/install.sh b/bin/install.sh
index 5d66049..f3d0bde 100755
--- a/bin/install.sh
+++ b/bin/install.sh
@@ -9,8 +9,8 @@
 # License: http://www.apache.org/licenses/LICENSE-2.0
 
 OS=`uname`
-PIO_VERSION=0.9.3
-SPARK_VERSION=1.3.1
+PIO_VERSION=0.9.4
+SPARK_VERSION=1.4.1
 ELASTICSEARCH_VERSION=1.4.4
 HBASE_VERSION=1.0.0
 PIO_DIR=$HOME/PredictionIO
diff --git a/conf/pio-env.sh.template b/conf/pio-env.sh.template
index a123bc9..2f7a12c 100644
--- a/conf/pio-env.sh.template
+++ b/conf/pio-env.sh.template
@@ -8,7 +8,7 @@
 # you need to change these to fit your site.
 
 # SPARK_HOME: Apache Spark is a hard dependency and must be configured.
-SPARK_HOME=$PIO_HOME/vendors/spark-1.3.1-bin-hadoop2.6
+SPARK_HOME=$PIO_HOME/vendors/spark-1.4.1-bin-hadoop2.6
 
 # ES_CONF_DIR: You must configure this if you have advanced configuration for
 #              your Elasticsearch setup.
diff --git a/docs/manual/data/versions.yml b/docs/manual/data/versions.yml
index d58393f..2465db5 100644
--- a/docs/manual/data/versions.yml
+++ b/docs/manual/data/versions.yml
@@ -1,6 +1,6 @@
-pio: 0.9.3
-spark: 1.3.0
-spark_download_filename: spark-1.3.0-bin-hadoop2.4
+pio: 0.9.4
+spark: 1.4.1
+spark_download_filename: spark-1.4.1-bin-hadoop2.6
 elasticsearch_download_filename: elasticsearch-1.4.4
 hbase_basename: hbase-1.0.0
 hbase_variant: bin