swift_version = "5.2"

.swift-version

@@ -1 +0,0 @@
-5.1

CryptoSwift.podspec

@@ -9,7 +9,7 @@ Pod::Spec.new do |s|
   s.authors      = {'Marcin Krzyżanowski' => 'marcin@krzyzanowskim.com'}
   s.social_media_url = "https://twitter.com/krzyzanowskim"
   s.cocoapods_version = '>= 1.6.0'
-  s.swift_version = "5.1"
+  s.swift_version = "5.2"
   s.ios.deployment_target = "8.0"
   s.osx.deployment_target = "10.10"
   s.watchos.deployment_target = "2.0"