diff --git a/.travis.yml b/.travis.yml
index 15345d58..7a58334e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode11
+osx_image: xcode11.2
 
 cache:
   - bundler
diff --git a/PinLayout.podspec b/PinLayout.podspec
index b06cce9c..32d192dd 100644
--- a/PinLayout.podspec
+++ b/PinLayout.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |spec|
   spec.name          = "PinLayout"
-  spec.version       = "1.8.12"
+  spec.version       = "1.8.13"
   spec.summary       = "Fast Swift Views layouting without auto layout. No magic, pure code, full control and blazing fast."
   spec.description   = "Fast Swift Views layouting without auto layout. No magic, pure code, full control and blazing fast. Concise syntax, intuitive, readable & chainable. [iOS/macOS/tvOS/CALayer]"
   spec.homepage      = "https://github.com/layoutBox/PinLayout"
@@ -16,7 +16,6 @@ Pod::Spec.new do |spec|
   spec.author        = { "Luc Dion" => "luc_dion@yahoo.com" }
   spec.source        = { :git => "https://github.com/layoutBox/PinLayout.git", :tag => "#{spec.version}" }
   spec.source_files  = "Sources/**/*.swift"
-  spec.swift_version = ['4.2', '5.0', '5.1']
 
   spec.ios.deployment_target  = '8.0'
   spec.ios.frameworks         = 'Foundation', 'CoreGraphics', 'UIKit'
diff --git a/build-ci.sh b/build-ci.sh
index a80a54c9..4c395e57 100755
--- a/build-ci.sh
+++ b/build-ci.sh
@@ -8,16 +8,16 @@ echo "==============================="  &&
 echo "PinLayout-iOS"                    &&
 echo "==============================="  &&
 time xcodebuild build -project PinLayout.xcodeproj -scheme PinLayout-iOS \
-   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.0 \
-   -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.0'  \
+   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.2 \
+   -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.2'  \
    | xcpretty  &&
 
 echo "==============================="  &&
 echo "PinLayout-tvOS"                   &&
 echo "==============================="  &&
 time xcodebuild build -project PinLayout.xcodeproj -scheme PinLayout-tvOS \
-   -derivedDataPath $DERIVED_DATA -sdk appletvsimulator13.0 \
-   -destination 'platform=tvOS Simulator,name=Apple TV 4K,OS=13.0' \
+   -derivedDataPath $DERIVED_DATA -sdk appletvsimulator13.2 \
+   -destination 'platform=tvOS Simulator,name=Apple TV 4K,OS=13.2' \
    | xcpretty  &&
 
 echo "==============================="  &&
@@ -31,7 +31,7 @@ echo "==============================="  &&
 echo "PinLayoutSample"                  &&
 echo "==============================="  &&
 time xcodebuild build -workspace PinLayout.xcworkspace -scheme PinLayoutSample \
-   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.0 \
+   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.2 \
    -destination 'platform=iOS Simulator,name=iPhone 7,OS=11.4'  \
    | xcpretty  &&
 
@@ -39,31 +39,31 @@ echo "==============================="  &&
 echo "iOS unit test"                    &&
 echo "==============================="  &&
 time  xcodebuild build test -workspace PinLayout.xcworkspace -scheme PinLayout-iOS \
-   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.0 \
+   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.2 \
    -destination 'platform=iOS Simulator,name=iPhone 7,OS=11.4'  \
    | xcpretty  &&
     
 time  xcodebuild build test -workspace PinLayout.xcworkspace -scheme PinLayout-iOS \
-   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.0 \
+   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.2 \
    -destination 'platform=iOS Simulator,name=iPhone 8,OS=12.2' \
    | xcpretty  &&
 
 time  xcodebuild build test -workspace PinLayout.xcworkspace -scheme PinLayout-iOS \
-   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.0 \
-   -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.0' \
+   -derivedDataPath $DERIVED_DATA -sdk iphonesimulator13.2 \
+   -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.2' \
    | xcpretty  &&
 
 # echo "===============================" 
 # echo "tvOS unit test"                   
 # echo "===============================" 
 # time  xcodebuild build test -workspace PinLayout.xcworkspace -scheme PinLayout-tvOS \
-#    -derivedDataPath $DERIVED_DATA -sdk appletvsimulator13.0 \
+#    -derivedDataPath $DERIVED_DATA -sdk appletvsimulator13.2 \
 #    -destination 'platform=tvOS Simulator,name=Apple TV 4K,OS=12.2' \
 #    | xcpretty 
 
 # time  xcodebuild build test -workspace PinLayout.xcworkspace -scheme PinLayout-tvOS \
-#    -derivedDataPath $DERIVED_DATA -sdk appletvsimulator13.0 \
-#    -destination 'platform=tvOS Simulator,name=Apple TV 4K,OS=13.0' \
+#    -derivedDataPath $DERIVED_DATA -sdk appletvsimulator13.2 \
+#    -destination 'platform=tvOS Simulator,name=Apple TV 4K,OS=13.2' \
 #    | xcpretty 
 
 # echo "===============================" 
@@ -80,8 +80,8 @@ cd TestProjects/cocoapods/ios  &&
 rm -rf $DERIVED_DATA  &&
 pod install  &&
 time xcodebuild clean build -workspace PinLayout-iOS.xcworkspace -scheme PinLayout-iOS \
-    -sdk iphonesimulator13.0  -derivedDataPath $DERIVED_DATA \
-    -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.0' \
+    -sdk iphonesimulator13.2  -derivedDataPath $DERIVED_DATA \
+    -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.2' \
     | xcpretty  &&
 cd ../../..  &&
 
@@ -105,8 +105,8 @@ cd TestProjects/cocoapods/tvos  &&
 rm -rf $DERIVED_DATA  &&
 pod install  &&
 time xcodebuild clean build -workspace PinLayout-tvOS.xcworkspace -scheme PinLayout-tvOS \
-    -sdk appletvsimulator13.0 -derivedDataPath $DERIVED_DATA \
-    -destination 'platform=tvOS Simulator,name=Apple TV,OS=13.0' \
+    -sdk appletvsimulator13.2 -derivedDataPath $DERIVED_DATA \
+    -destination 'platform=tvOS Simulator,name=Apple TV,OS=13.2' \
     | xcpretty  &&
 cd ../../..  &&
 
@@ -120,9 +120,9 @@ rm Cartfile  &&
 echo "git \"$TRAVIS_BUILD_DIR\" \"$TRAVIS_BRANCH\"" > Cartfile  &&
 carthage update --use-ssh --platform iOS  &&
 time xcodebuild clean build -project PinLayout-Carthage-iOS.xcodeproj \
-    -scheme PinLayout-Carthage-iOS -sdk iphonesimulator13.0  \
+    -scheme PinLayout-Carthage-iOS -sdk iphonesimulator13.2  \
     -derivedDataPath $DERIVED_DATA \
-    -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.0' \
+    -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.2' \
     | xcpretty  &&
 cd ../../..  &&
 
@@ -139,8 +139,8 @@ time bundle exec pod lib lint --allow-warnings
 # rm -rf .build  
 # rm Package.pins
 # swift package show-dependencies --format json  
-# time xcodebuild clean build -project PinLayout-Carthage-iOS.xcodeproj -scheme PinLayout-Carthage-iOS -sdk iphonesimulator13.0  -derivedDataPath $DERIVED_DATA \
-#     -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.0' \
+# time xcodebuild clean build -project PinLayout-Carthage-iOS.xcodeproj -scheme PinLayout-Carthage-iOS -sdk iphonesimulator13.2  -derivedDataPath $DERIVED_DATA \
+#     -destination 'platform=iOS Simulator,name=iPhone 8,OS=13.2' \
 #     | xcpretty 
 # cd ../../.. 
 #