diff --git a/Package.swift b/Package.swift
new file mode 100644
index 0000000..b00fc28
--- /dev/null
+++ b/Package.swift
@@ -0,0 +1,23 @@
+// swift-tools-version:5.6
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "STTwitter",
+    platforms: [
+        .iOS(.v11)
+    ],
+    products: [
+        .library(name: "STTwitter", targets: ["STTwitter"]),
+    ],
+    dependencies: [
+    ],
+    targets: [
+        .target(
+            name: "STTwitter",
+            path: "STTwitter"
+        ),
+    ],
+    swiftLanguageVersions: [.v5]
+)
diff --git a/STTwitter.podspec b/STTwitter.podspec
index a8f90a5..23301e2 100644
--- a/STTwitter.podspec
+++ b/STTwitter.podspec
@@ -16,7 +16,8 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = '7.0'
   s.osx.deployment_target = '10.7'
 
-  s.source_files = 'STTwitter/*.{h,m}', 'STTwitter/Vendor/*.{h,m}'
+
+  s.source_files = 'STTwitter/*.m', 'STTwitter/Vendor/*.m', 'STTwitter/include/*.h'
 
   s.ios.frameworks  = 'CoreGraphics', 'Foundation', 'QuartzCore', 'UIKit', 'Accounts', 'Twitter'
   s.ios.weak_frameworks = 'Social'
diff --git a/STTwitter/Vendor/BAVPlistNode.h b/STTwitter/include/BAVPlistNode.h
similarity index 100%
rename from STTwitter/Vendor/BAVPlistNode.h
rename to STTwitter/include/BAVPlistNode.h
diff --git a/STTwitter/Vendor/JSONSyntaxHighlight.h b/STTwitter/include/JSONSyntaxHighlight.h
similarity index 100%
rename from STTwitter/Vendor/JSONSyntaxHighlight.h
rename to STTwitter/include/JSONSyntaxHighlight.h
diff --git a/STTwitter/NSDateFormatter+STTwitter.h b/STTwitter/include/NSDateFormatter+STTwitter.h
similarity index 100%
rename from STTwitter/NSDateFormatter+STTwitter.h
rename to STTwitter/include/NSDateFormatter+STTwitter.h
diff --git a/STTwitter/NSError+STTwitter.h b/STTwitter/include/NSError+STTwitter.h
similarity index 100%
rename from STTwitter/NSError+STTwitter.h
rename to STTwitter/include/NSError+STTwitter.h
diff --git a/STTwitter/NSString+STTwitter.h b/STTwitter/include/NSString+STTwitter.h
similarity index 100%
rename from STTwitter/NSString+STTwitter.h
rename to STTwitter/include/NSString+STTwitter.h
diff --git a/STTwitter/STHTTPRequest+STTwitter.h b/STTwitter/include/STHTTPRequest+STTwitter.h
similarity index 100%
rename from STTwitter/STHTTPRequest+STTwitter.h
rename to STTwitter/include/STHTTPRequest+STTwitter.h
diff --git a/STTwitter/Vendor/STHTTPRequest.h b/STTwitter/include/STHTTPRequest.h
similarity index 100%
rename from STTwitter/Vendor/STHTTPRequest.h
rename to STTwitter/include/STHTTPRequest.h
diff --git a/STTwitter/STTwitter.h b/STTwitter/include/STTwitter.h
similarity index 100%
rename from STTwitter/STTwitter.h
rename to STTwitter/include/STTwitter.h
diff --git a/STTwitter/STTwitterAPI.h b/STTwitter/include/STTwitterAPI.h
similarity index 100%
rename from STTwitter/STTwitterAPI.h
rename to STTwitter/include/STTwitterAPI.h
diff --git a/STTwitter/STTwitterAppOnly.h b/STTwitter/include/STTwitterAppOnly.h
similarity index 100%
rename from STTwitter/STTwitterAppOnly.h
rename to STTwitter/include/STTwitterAppOnly.h
diff --git a/STTwitter/STTwitterHTML.h b/STTwitter/include/STTwitterHTML.h
similarity index 100%
rename from STTwitter/STTwitterHTML.h
rename to STTwitter/include/STTwitterHTML.h
diff --git a/STTwitter/STTwitterOAuth.h b/STTwitter/include/STTwitterOAuth.h
similarity index 100%
rename from STTwitter/STTwitterOAuth.h
rename to STTwitter/include/STTwitterOAuth.h
diff --git a/STTwitter/STTwitterOS.h b/STTwitter/include/STTwitterOS.h
similarity index 100%
rename from STTwitter/STTwitterOS.h
rename to STTwitter/include/STTwitterOS.h
diff --git a/STTwitter/STTwitterOSRequest.h b/STTwitter/include/STTwitterOSRequest.h
similarity index 100%
rename from STTwitter/STTwitterOSRequest.h
rename to STTwitter/include/STTwitterOSRequest.h
diff --git a/STTwitter/STTwitterProtocol.h b/STTwitter/include/STTwitterProtocol.h
similarity index 100%
rename from STTwitter/STTwitterProtocol.h
rename to STTwitter/include/STTwitterProtocol.h
diff --git a/STTwitter/STTwitterRequestProtocol.h b/STTwitter/include/STTwitterRequestProtocol.h
similarity index 100%
rename from STTwitter/STTwitterRequestProtocol.h
rename to STTwitter/include/STTwitterRequestProtocol.h
diff --git a/STTwitter/STTwitterStreamParser.h b/STTwitter/include/STTwitterStreamParser.h
similarity index 100%
rename from STTwitter/STTwitterStreamParser.h
rename to STTwitter/include/STTwitterStreamParser.h