diff --git a/.travis.yml b/.travis.yml
index c81f2bf8..fa12c7af 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: objective-c
-osx_image: xcode9
+osx_image: xcode10.2
 before_install:
-    - gem install cocoapods --no-rdoc --no-ri --no-document --quiet
-    - gem install xcpretty --no-rdoc --no-ri --no-document --quiet
+    - gem install cocoapods --quiet
+    - gem install xcpretty --quiet
     - cd Tests && pod install && cd $TRAVIS_BUILD_DIR
 script: rake test
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 819ef97a..78cce551 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+### Version 4.0.1:
+* Memory improvements and fixes.
+* Other minor fixes
+
 ### Version 4.0.0:
 * Adds support for Xcode 9.
 * Deprecated UIAlertView, UIActionSheet, UIPopoverController.
diff --git a/Rakefile b/Rakefile
index 3e15d6bf..de2dbfb0 100755
--- a/Rakefile
+++ b/Rakefile
@@ -3,7 +3,7 @@ include FileUtils::Verbose
 namespace :test do
   desc "Run the XLForm Tests"
   task :ios do
-    run_tests('XLForm Tests', 'iphonesimulator11.0')
+    run_tests('XLForm Tests', 'iphonesimulator12.2')
     tests_failed unless $?.success?
   end
 end
@@ -17,7 +17,7 @@ task :default => 'test'
 private
 
 def run_tests(scheme, sdk)
-  sh("xcodebuild -workspace 'Tests/XLForm Tests.xcworkspace' -scheme '#{scheme}' -sdk '#{sdk}' -destination 'OS=11.0,name=iPhone 8' -configuration Release clean test | xcpretty -c ; exit ${PIPESTATUS[0]}") rescue nil
+  sh("xcodebuild -workspace 'Tests/XLForm Tests.xcworkspace' -scheme '#{scheme}' -sdk '#{sdk}' -destination 'OS=12.2,name=iPhone 8' -configuration Release clean test | xcpretty -c ; exit ${PIPESTATUS[0]}") rescue nil
 end
 
 def tests_failed