diff --git a/.swift-version b/.swift-version
new file mode 100644
index 0000000..5186d07
--- /dev/null
+++ b/.swift-version
@@ -0,0 +1 @@
+4.0
diff --git a/TRexAboutWindowController.podspec b/TRexAboutWindowController.podspec
index c9c5669..febc4a5 100644
--- a/TRexAboutWindowController.podspec
+++ b/TRexAboutWindowController.podspec
@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
   #
 
   s.name         = "TRexAboutWindowController"
-  s.version      = "1.5.2"
+  s.version      = "1.5.4"
   s.summary      = "A swift clone of PFAboutWindow to create an Xcode 6 like About Window."
 
   # This description is used to generate tags and improve search results.