diff --git a/.swift-version b/.swift-version
index cb2b00e..389f774 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-3.0.1
+4.0
\ No newline at end of file
diff --git a/SipHash.podspec b/SipHash.podspec
index d1e5ef5..d9e1857 100644
--- a/SipHash.podspec
+++ b/SipHash.podspec
@@ -10,7 +10,7 @@ Pod::Spec.new do |spec|
     spec.homepage     = 'https://github.com/attaswift/SipHash'
     spec.license      = { :type => 'MIT', :file => 'LICENSE.md' }
     spec.source       = { :git => 'https://github.com/attaswift/SipHash.git', :tag => 'v' + String(spec.version) }
-    spec.source_files = 'Sources/*.swift'
+    spec.source_files = 'SipHash/*.swift'
     spec.social_media_url = 'https://twitter.com/lorentey'
     spec.documentation_url = 'http://attaswift.github.io/SipHash/'
 end