diff --git a/ios/amplitude_flutter.podspec b/ios/amplitude_flutter.podspec
index 27b384d..5b30144 100644
--- a/ios/amplitude_flutter.podspec
+++ b/ios/amplitude_flutter.podspec
@@ -13,6 +13,7 @@ Pod::Spec.new do |s|
   s.public_header_files = 'Classes/**/*.h'
   s.dependency 'Flutter'
   s.dependency 'Amplitude', '8.18.0'
+  s.swift_version    = '5.0'
 
   s.ios.deployment_target = '10.0'
 end