diff --git a/CHANGELOG.md b/CHANGELOG.md
index 268adc282e..b3f330e02f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,39 +1,38 @@
 # Changelog
 
 ## 0.5.0
-Performance improvements:
 
 New features and bug fixes:
-- Evaluators check for empty data [#178](https://github.com/salesforce/TransmogrifAI/pull/178)
-- Refactored splitter tests [#176](https://github.com/salesforce/TransmogrifAI/pull/176)
+
+- XGBoost classification & regression models - EXPERIMENTAL [#44](https://github.com/salesforce/TransmogrifAI/pull/44)
 - Add default param grid for xgboost [#175](https://github.com/salesforce/TransmogrifAI/pull/175)
-- Added aggregate & conditonal readers for parquet [#172](https://github.com/salesforce/TransmogrifAI/pull/172)
 - Fix ModelInsights for xgboost [#170](https://github.com/salesforce/TransmogrifAI/pull/170)
+- Added Parquet reader [#169](https://github.com/salesforce/TransmogrifAI/pull/169)
+- Added aggregate & conditional readers for Parquet [#172](https://github.com/salesforce/TransmogrifAI/pull/172)
+- Evaluators check for empty data [#178](https://github.com/salesforce/TransmogrifAI/pull/178)
+- Refactored splitter tests [#176](https://github.com/salesforce/TransmogrifAI/pull/176)
 - Return scoring feature distributions from RawFeatureFilter [#171](https://github.com/salesforce/TransmogrifAI/pull/171)
-- Added parquet reader [#169](https://github.com/salesforce/TransmogrifAI/pull/169)
 - Using MapReduce Api for Avro Read Write [#150](https://github.com/salesforce/TransmogrifAI/pull/150)
 - Improve test coverage for VectorsCombiner and make vector aggregator efficient [#168](https://github.com/salesforce/TransmogrifAI/pull/168)
 - Time based aggregators [#167](https://github.com/salesforce/TransmogrifAI/pull/167)
 - Ignore null values in meta + support floats [#166](https://github.com/salesforce/TransmogrifAI/pull/166)
 - CLI command name fix + bump shadow plugin version + cleanup [#164](https://github.com/salesforce/TransmogrifAI/pull/164)
-- fix build.sbt example in readme [#165](https://github.com/salesforce/TransmogrifAI/pull/165)
+- Fix build.sbt example in readme [#165](https://github.com/salesforce/TransmogrifAI/pull/165)
 - Removed an old test I added to check if Spark ran out of memory when calculating a correlation matrix (this is unnecessary and unhelpful) [#160](https://github.com/salesforce/TransmogrifAI/pull/160)
 - Replace assert with require [#159](https://github.com/salesforce/TransmogrifAI/pull/159)
 - Streaming histogram implementation [#152](https://github.com/salesforce/TransmogrifAI/pull/152)
 - Added test and removed dead code for Sanity Checker dealing with map with same key [#153](https://github.com/salesforce/TransmogrifAI/pull/153)
-- XGBoost classification & regression models [#44](https://github.com/salesforce/TransmogrifAI/pull/44)
-- Added Maven Central badge [#149](https://github.com/salesforce/TransmogrifAI/pull/149)
-- fixed model insights exception when features are excluded from sanity checker correlation calculations [#147](https://github.com/salesforce/TransmogrifAI/pull/147)
-- added logging of response distribution to RFF [#146](https://github.com/salesforce/TransmogrifAI/pull/146)
+- Fixed model insights exception when features are excluded from sanity checker correlation calculations [#147](https://github.com/salesforce/TransmogrifAI/pull/147)
+- Added logging of response distribution to RFF [#146](https://github.com/salesforce/TransmogrifAI/pull/146)
 - Use proper test ranges in feature converter test [#143](https://github.com/salesforce/TransmogrifAI/pull/143)
 - Added support for DateType and TimestampType primitive spark types [#135](https://github.com/salesforce/TransmogrifAI/pull/135)
 - Standardizing timezone to UTC [#138](https://github.com/salesforce/TransmogrifAI/pull/138)
 
-Dependency upgrades:
-- Upgrade XGBoost to 0.81 [#180](https://github.com/salesforce/TransmogrifAI/pull/180)
+Dependency upgrades & misc:
+- XGBoost 0.81 [#180](https://github.com/salesforce/TransmogrifAI/pull/180)
 - Spark 2.3.2 [#44](https://github.com/salesforce/TransmogrifAI/pull/44)
+- Gradle 4.10.2 [#142](https://github.com/salesforce/TransmogrifAI/pull/142)
 - Use OpenJDK8 for CircleCI builds + refactor build config [#140](https://github.com/salesforce/TransmogrifAI/pull/140)
-- Update Gradle to 4.10.2 [#142](https://github.com/salesforce/TransmogrifAI/pull/142)
 
 ## 0.4.0
 
@@ -86,7 +85,6 @@ BinaryClassificationModelSelector
 ```
 For more example on how to use new model selectors please refer to our documentation and helloworld examples.
 
-
 Dependency upgrades & misc:
 - CI/CD runtime improvements for CircleCI and TravisCI
 - Updated Gradle to 4.10
diff --git a/README.md b/README.md
index 37da41eba7..bcada5ca7d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # TransmogrifAI
 
-[![Maven Central](https://img.shields.io/maven-central/v/com.salesforce.transmogrifai/transmogrifai-core_2.11.svg?colorB=blue)](https://search.maven.org/search?q=g:com.salesforce.transmogrifai) [![Download](https://api.bintray.com/packages/salesforce/maven/TransmogrifAI/images/download.svg)](https://bintray.com/salesforce/maven/TransmogrifAI/_latestVersion) [![Javadocs](https://www.javadoc.io/badge/com.salesforce.transmogrifai/transmogrifai-core_2.11/0.5.0.svg?color=blue)](https://www.javadoc.io/doc/com.salesforce.transmogrifai/transmogrifai-core_2.11/0.5.0) [![Spark version](https://img.shields.io/badge/spark-2.2-brightgreen.svg)](https://spark.apache.org/downloads.html) [![Scala version](https://img.shields.io/badge/scala-2.11-brightgreen.svg)](https://www.scala-lang.org/download/2.11.12.html) [![License](http://img.shields.io/:license-BSD--3-blue.svg)](./LICENSE) [![Chat](https://badges.gitter.im/salesforce/TransmogrifAI.svg)](https://gitter.im/salesforce/TransmogrifAI?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Maven Central](https://img.shields.io/maven-central/v/com.salesforce.transmogrifai/transmogrifai-core_2.11.svg?colorB=blue)](https://search.maven.org/search?q=g:com.salesforce.transmogrifai) [![Download](https://api.bintray.com/packages/salesforce/maven/TransmogrifAI/images/download.svg)](https://bintray.com/salesforce/maven/TransmogrifAI/_latestVersion) [![Javadocs](https://www.javadoc.io/badge/com.salesforce.transmogrifai/transmogrifai-core_2.11/0.5.0.svg?color=blue)](https://www.javadoc.io/doc/com.salesforce.transmogrifai/transmogrifai-core_2.11/0.5.0) [![Spark version](https://img.shields.io/badge/spark-2.3-brightgreen.svg)](https://spark.apache.org/downloads.html) [![Scala version](https://img.shields.io/badge/scala-2.11-brightgreen.svg)](https://www.scala-lang.org/download/2.11.12.html) [![License](http://img.shields.io/:license-BSD--3-blue.svg)](./LICENSE) [![Chat](https://badges.gitter.im/salesforce/TransmogrifAI.svg)](https://gitter.im/salesforce/TransmogrifAI?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 [![TravisCI Build Status](https://travis-ci.com/salesforce/TransmogrifAI.svg?token=Ex9czVEUD7AzPTmVh6iX&branch=master)](https://travis-ci.com/salesforce/TransmogrifAI) [![CircleCI Build Status](https://circleci.com/gh/salesforce/TransmogrifAI.svg?&style=shield&circle-token=e84c1037ae36652d38b49207728181ee85337e0b)](https://circleci.com/gh/salesforce/TransmogrifAI) [![Codecov](https://codecov.io/gh/salesforce/TransmogrifAI/branch/master/graph/badge.svg)](https://codecov.io/gh/salesforce/TransmogrifAI) [![CodeFactor](https://www.codefactor.io/repository/github/salesforce/transmogrifai/badge)](https://www.codefactor.io/repository/github/salesforce/transmogrifai)
 
diff --git a/docs/installation/index.md b/docs/installation/index.md
index 1b0bc644f5..694c3e9208 100644
--- a/docs/installation/index.md
+++ b/docs/installation/index.md
@@ -1,7 +1,7 @@
 # Installation
 
 * Download and install Java 1.8, then set an environment variable: `export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)`
-* Get Spark 2.2.x: [Download](https://spark.apache.org/downloads.html), unzip it and then set an environment variable: `export SPARK_HOME=<SPARK_FOLDER>`
+* Get Spark 2.3.x: [Download](https://spark.apache.org/downloads.html), unzip it and then set an environment variable: `export SPARK_HOME=<SPARK_FOLDER>`
 * Clone the TransmogrifAI repo: `git clone https://github.com/salesforce/TransmogrifAI.git`
 * Build the project: `cd TransmogrifAI && ./gradlew compileTestScala installDist`
 * Start hacking
diff --git a/helloworld/build.gradle b/helloworld/build.gradle
index 5f813d19d2..d6c4bde474 100644
--- a/helloworld/build.gradle
+++ b/helloworld/build.gradle
@@ -36,7 +36,7 @@ ext {
     scalaVersion = '2.11'
     scalaVersionRevision = '12'
     junitVersion = '4.11'
-    sparkVersion = '2.2.1'
+    sparkVersion = '2.3.2'
     scalatestVersion = '3.0.0'
     transmogrifaiVersion ='0.5.0'
     collectionsVersion = '3.2.2'
diff --git a/local/README.md b/local/README.md
index e55c15d71d..4f881f95c6 100644
--- a/local/README.md
+++ b/local/README.md
@@ -12,13 +12,13 @@ Add the `transmogrifai-local` dependency into your project together with `hadria
 For Gradle in `build.gradle` add:
 ```gradle
 dependencies {
-    compile 'com.salesforce.transmogrifai:transmogrifai-local_2.11:0.4.0'
+    compile 'com.salesforce.transmogrifai:transmogrifai-local_2.11:0.5.0'
     runtime 'com.opendatagroup:hadrian:0.8.5'
 }
 ```
 For SBT in `build.sbt` add:
 ```sbt
-libraryDependencies += "com.salesforce.transmogrifai" %% "transmogrifai-local" % "0.4.0"
+libraryDependencies += "com.salesforce.transmogrifai" %% "transmogrifai-local" % "0.5.0"
 
 libraryDependencies += libraryDependencies += "com.opendatagroup" % "hadrian" % "0.8.5" % Runtime
 ```