diff --git a/UB.podspec b/UB.podspec
index 5527b92..4222c76 100644
--- a/UB.podspec
+++ b/UB.podspec
@@ -5,7 +5,7 @@ Pod::Spec.new do |spec|
 	spec.homepage = 'https://github.com/ultralight-beam/UB.swift'
 	spec.license = { :type => 'Apache' }
 	spec.source = { :git => 'https://github.com/ultralight-beam/UB.swift.git', :tag => 'v0.2.0'}
-	spec.source_files = 'Sources/UB/*.swift'
+	spec.source_files = 'Sources/UB/**/*.swift'
 	spec.summary = 'Swift implementation of the Ultralight Beam protocol'
 	spec.swift_version = '5.0'
  	spec.ios.deployment_target = '9.0'