diff --git a/SWCompression.podspec b/SWCompression.podspec
index ee7c6b79..dbbbfed1 100644
--- a/SWCompression.podspec
+++ b/SWCompression.podspec
@@ -24,9 +24,11 @@ Pod::Spec.new do |s|
 
   s.source       = { :git => "https://github.com/tsolomko/SWCompression.git", :tag => "v#{s.version}" }
 
+  # This is subspec for internal use by other subspecs.
+  # It should not be included directly in Podfile.
   s.subspec 'Common' do |sp|
     sp.public_header_files = 'Sources/Service/SWCompression.h'
-    sp.source_files  = "Sources/{DataWithPointer.swift,HuffmanTree.swift,Protocols.swift,Extensions.swift,Service/*.swift,Service/*.h}"
+    sp.source_files  = "Sources/{CheckSums.swift,DataWithPointer.swift,Extensions.swift,HuffmanTree.swift,Protocols.swift,Service/*.swift,Service/*.h}"
   end
 
   s.subspec 'Deflate' do |sp|
@@ -51,4 +53,15 @@ Pod::Spec.new do |s|
     sp.source_files = 'Sources/BZip2.swift'
   end
 
+  s.subspec 'LZMA' do |sp|
+    sp.dependency 'SWCompression/Common'
+    sp.source_files = 'Sources/LZMA*.swift'
+  end
+
+  s.subspec 'XZ' do |sp|
+    sp.dependency 'SWCompression/Common'
+    sp.dependency 'SWCompression/LZMA'
+    sp.source_files = 'Sources/XZArchive.swift'
+  end
+
 end