diff --git a/KCCircularTimer.podspec b/KCCircularTimer.podspec
index f2e58f3..fffb47c 100644
--- a/KCCircularTimer.podspec
+++ b/KCCircularTimer.podspec
@@ -11,6 +11,7 @@ KCCircularTimer is a simple, configurable circular timer that is usable in Inter
   s.author           = { 'Kevin Cramer' => 'kevinx@sent.com' }
   s.source           = { :git => 'https://github.com/kcramer/KCCircularTimer.git', :tag => s.version.to_s }
 
+  s.swift_version = '5.0'
   s.ios.deployment_target = '8.0'
 
   s.source_files = 'Sources/**/*.swift'