diff --git a/.travis.yml b/.travis.yml
index d74abb7..e4256d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode10.2
+osx_image: xcode11
 xcode_sdk: iphoneos11.0
 cache: bundler
 script:
diff --git a/README.md b/README.md
index 0de7222..f3ac1de 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Run `carthage update` to build the framework and drag the built KeyboardManager.
 ### Swift Package Manager (required Xcode 11)
 
 1. Select File > Swift Packages > Add Package Dependency. Enter `https://github.com/alphatroya/KeyboardManager` in the "Choose Package Repository" dialog.
-2. In the next page, specify the version resolving rule as "Up to Next Major" with "1.4" as its earliest version.
+2. In the next page, specify the version resolving rule as "Up to Next Major" with "1.4.0" as its earliest version.
 3. After Xcode checking out the source and resolving the version, you can choose the "KeyboardManager" library and add it to your app target.
 
 ## Author